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kc3-lang/libxkbcommon/test/keyseq.c

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  • Author : Pierre Le Marre
    Date : 2025-01-16 20:23:28
    Hash : c7fdf506
    Message : Use portable integer literal suffixes

  • test/keyseq.c
  • /*
     * Copyright © 2012 Ran Benita <ran234@gmail.com>
     *
     * Permission is hereby granted, free of charge, to any person obtaining a
     * copy of this software and associated documentation files (the "Software"),
     * to deal in the Software without restriction, including without limitation
     * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     * and/or sell copies of the Software, and to permit persons to whom the
     * Software is furnished to do so, subject to the following conditions:
     *
     * The above copyright notice and this permission notice (including the next
     * paragraph) shall be included in all copies or substantial portions of the
     * Software.
     *
     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     * DEALINGS IN THE SOFTWARE.
     */
    
    #include "config.h"
    
    #include "evdev-scancodes.h"
    #include "test.h"
    #include "keymap.h"
    
    static void
    test_group_latch(struct xkb_context *ctx)
    {
        /* Absolute group, no lock */
        struct xkb_keymap *keymap = test_compile_rules(
            ctx, "evdev", "evdev",
            "us,il,ru,de", ",,phonetic,neo",
            "grp:menu_latch_group2,grp:sclk_toggle");
        assert(keymap);
    
        /* Set only */
    #define test_set_only(keymap_)                                                 \
        assert(test_key_seq(keymap_,                                               \
                            KEY_H,          BOTH,  XKB_KEY_h,               NEXT,  \
                            KEY_E,          BOTH,  XKB_KEY_e,               NEXT,  \
                            KEY_COMPOSE,    DOWN,  XKB_KEY_ISO_Group_Latch, NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_hebrew_yod,      NEXT,  \
                            KEY_E,          BOTH,  XKB_KEY_hebrew_qoph,     NEXT,  \
                            KEY_COMPOSE,    UP,    XKB_KEY_ISO_Group_Latch, NEXT,  \
                            /* Lock the second group */                            \
                            KEY_SCROLLLOCK, BOTH,  XKB_KEY_ISO_Next_Group,  NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_hebrew_yod,      NEXT,  \
                            KEY_E,          BOTH,  XKB_KEY_hebrew_qoph,     NEXT,  \
                            KEY_COMPOSE,    DOWN,  XKB_KEY_ISO_Group_Latch, NEXT,  \
                            /* Event if the latch group is absolute, it sums with  \
                             * the locked group (see spec) */                      \
                            KEY_H,          BOTH,  XKB_KEY_Cyrillic_ha,     NEXT,  \
                            KEY_E,          BOTH,  XKB_KEY_Cyrillic_ie,     NEXT,  \
                            KEY_COMPOSE,    UP,    XKB_KEY_ISO_Group_Latch, NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_hebrew_yod,      NEXT,  \
                            KEY_E,          BOTH,  XKB_KEY_hebrew_qoph,     FINISH))
        test_set_only(keymap);
    
        /* Latch only */
    #define test_latch_only(keymap_)                                               \
        assert(test_key_seq(keymap_,                                               \
                            KEY_H,          BOTH,  XKB_KEY_h,               NEXT,  \
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_hebrew_yod,      NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_h,               NEXT,  \
                            /* Lock the second group */                            \
                            KEY_SCROLLLOCK, BOTH,  XKB_KEY_ISO_Next_Group,  NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_hebrew_yod,      NEXT,  \
                            KEY_E,          BOTH,  XKB_KEY_hebrew_qoph,     NEXT,  \
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,  \
                            /* Event if the latch group is absolute, it sums with  \
                             * the locked group (see spec) */                      \
                            KEY_H,          BOTH,  XKB_KEY_Cyrillic_ha,     NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_hebrew_yod,      FINISH))
        test_latch_only(keymap);
    
        /* Latch not broken by modifier */
    #define test_latch_not_broken_by_modifier(keymap_)                           \
        assert(test_key_seq(keymap_,                                             \
                            KEY_H,        BOTH,  XKB_KEY_h,               NEXT,  \
                            KEY_COMPOSE,  BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,  \
                            KEY_LEFTALT,  DOWN,  XKB_KEY_Alt_L,           NEXT,  \
                            KEY_H,        BOTH,  XKB_KEY_hebrew_yod,      NEXT,  \
                            KEY_H,        BOTH,  XKB_KEY_h,               FINISH))
        test_latch_not_broken_by_modifier(keymap);
    
        /* No lock */
    #define test_no_latch_to_lock(keymap_)                                         \
        assert(test_key_seq(keymap_,                                               \
                            KEY_H,          BOTH,  XKB_KEY_h,               NEXT,  \
                            /* No latch-to-lock */                                 \
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,  \
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_Cyrillic_ha,     NEXT,  \
                            KEY_E,          BOTH,  XKB_KEY_e,               NEXT,  \
                            /* Lock the second group */                            \
                            KEY_SCROLLLOCK, BOTH,  XKB_KEY_ISO_Next_Group,  NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_hebrew_yod,      NEXT,  \
                            KEY_E,          BOTH,  XKB_KEY_hebrew_qoph,     NEXT,  \
                            /* No latch-to-lock */                                 \
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,  \
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_s,               NEXT,  \
                            KEY_E,          BOTH,  XKB_KEY_hebrew_qoph,     NEXT,  \
                            /* Lock the third group */                             \
                            KEY_SCROLLLOCK, BOTH,  XKB_KEY_ISO_Next_Group,  NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_Cyrillic_ha,     NEXT,  \
                            KEY_E,          BOTH,  XKB_KEY_Cyrillic_ie,     NEXT,  \
                            /* No latch-to-lock */                                 \
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,  \
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_h,               NEXT,  \
                            KEY_E,          BOTH,  XKB_KEY_Cyrillic_ie,     FINISH))
        test_no_latch_to_lock(keymap);
    
        xkb_keymap_unref(keymap);
    
        /* Absolute group, latch-to-lock */
        keymap = test_compile_rules(
            ctx, "evdev", "evdev",
            "us,il,ru,de", ",,phonetic,neo",
            "grp:menu_latch_group2_lock,grp:sclk_toggle");
        assert(keymap);
    
        test_set_only(keymap);
        test_latch_only(keymap);
        test_latch_not_broken_by_modifier(keymap);
    
        /* Lock */
        assert(test_key_seq(keymap,
                            KEY_H,          BOTH,  XKB_KEY_h,               NEXT,
                            /* Lock the second group via latch-to-lock */
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,
                            KEY_H,          BOTH,  XKB_KEY_hebrew_yod,      NEXT,
                            KEY_E,          BOTH,  XKB_KEY_hebrew_qoph,     NEXT,
                            /* Lock the third group via usual lock */
                            KEY_SCROLLLOCK, BOTH,  XKB_KEY_ISO_Next_Group,  NEXT,
                            KEY_H,          BOTH,  XKB_KEY_Cyrillic_ha,     NEXT,
                            KEY_E,          BOTH,  XKB_KEY_Cyrillic_ie,     NEXT,
                            /* Lock the second group via latch-to-lock */
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,
                            KEY_H,          BOTH,  XKB_KEY_hebrew_yod,      NEXT,
                            KEY_E,          BOTH,  XKB_KEY_hebrew_qoph,     FINISH));
    
        xkb_keymap_unref(keymap);
    
        /* Relative group (positive), no lock */
        keymap = test_compile_rules(
            ctx, "evdev", "evdev",
            "us,il,ru,de", ",,phonetic,neo",
            "grp:menu_latch,grp:sclk_toggle");
        assert(keymap);
    
        test_set_only(keymap);
        test_latch_only(keymap);
        test_latch_not_broken_by_modifier(keymap);
        test_no_latch_to_lock(keymap);
    
        xkb_keymap_unref(keymap);
    
        /* Relative group (positive), latch-to-lock */
        keymap = test_compile_rules(
            ctx, "evdev", "evdev",
            "us,il,ru,de", ",,phonetic,neo",
            "grp:menu_latch_lock,grp:sclk_toggle");
        assert(keymap);
    
        test_set_only(keymap);
        test_latch_only(keymap);
        test_latch_not_broken_by_modifier(keymap);
    
        /* Lock */
        assert(test_key_seq(keymap,
                            KEY_H,          BOTH,  XKB_KEY_h,               NEXT,
                            /* Lock the second group via latch-to-lock */
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,
                            KEY_H,          BOTH,  XKB_KEY_hebrew_yod,      NEXT,
                            KEY_E,          BOTH,  XKB_KEY_hebrew_qoph,     NEXT,
                            /* Lock the third group via usual lock */
                            KEY_SCROLLLOCK, BOTH,  XKB_KEY_ISO_Next_Group,  NEXT,
                            KEY_H,          BOTH,  XKB_KEY_Cyrillic_ha,     NEXT,
                            KEY_E,          BOTH,  XKB_KEY_Cyrillic_ie,     NEXT,
                            /* Lock the fourth group via latch-to-lock */
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,
                            KEY_H,          BOTH,  XKB_KEY_s,               NEXT,
                            KEY_E,          BOTH,  XKB_KEY_l,               FINISH));
    
        xkb_keymap_unref(keymap);
    
    #undef test_set_only
    #undef test_latch_only
    #undef test_latch_not_broken_by_modifier
    
        /* Relative group (negative), no lock */
        keymap = test_compile_rules(
            ctx, "evdev", "evdev",
            "us,il,ru,de", ",,phonetic,neo",
            "grp:menu_latch_negative,grp:sclk_toggle");
        assert(keymap);
    
        /* Set only */
    #define test_set_only(keymap_)                                                 \
        assert(test_key_seq(keymap_,                                               \
                            KEY_H,          BOTH,  XKB_KEY_h,               NEXT,  \
                            KEY_E,          BOTH,  XKB_KEY_e,               NEXT,  \
                            KEY_COMPOSE,    DOWN,  XKB_KEY_ISO_Group_Latch, NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_s,               NEXT,  \
                            KEY_E,          BOTH,  XKB_KEY_l,               NEXT,  \
                            KEY_COMPOSE,    UP,    XKB_KEY_ISO_Group_Latch, NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_h,               NEXT,  \
                            /* Lock the second group */                            \
                            KEY_SCROLLLOCK, BOTH,  XKB_KEY_ISO_Next_Group,  NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_hebrew_yod,      NEXT,  \
                            KEY_E,          BOTH,  XKB_KEY_hebrew_qoph,     NEXT,  \
                            KEY_COMPOSE,    DOWN,  XKB_KEY_ISO_Group_Latch, NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_h,               NEXT,  \
                            KEY_E,          BOTH,  XKB_KEY_e,               NEXT,  \
                            KEY_COMPOSE,    UP,    XKB_KEY_ISO_Group_Latch, NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_hebrew_yod,      NEXT,  \
                            KEY_E,          BOTH,  XKB_KEY_hebrew_qoph,     FINISH))
        test_set_only(keymap);
    
        /* Latch only */
    #define test_latch_only(keymap_)                                               \
        assert(test_key_seq(keymap_,                                               \
                            KEY_H,          BOTH,  XKB_KEY_h,               NEXT,  \
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_s,               NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_h,               NEXT,  \
                            /* Lock the second group */                            \
                            KEY_SCROLLLOCK, BOTH,  XKB_KEY_ISO_Next_Group,  NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_hebrew_yod,      NEXT,  \
                            KEY_E,          BOTH,  XKB_KEY_hebrew_qoph,     NEXT,  \
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_h,               NEXT,  \
                            KEY_H,          BOTH,  XKB_KEY_hebrew_yod,      FINISH))
        test_latch_only(keymap);
    
        /* Latch not broken by modifier */
    #define test_latch_not_broken_by_modifier(keymap_)                           \
        assert(test_key_seq(keymap_,                                             \
                            KEY_H,        BOTH,  XKB_KEY_h,               NEXT,  \
                            KEY_COMPOSE,  BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,  \
                            KEY_LEFTALT,  DOWN,  XKB_KEY_Alt_L,           NEXT,  \
                            KEY_H,        BOTH,  XKB_KEY_s,               NEXT,  \
                            KEY_H,        BOTH,  XKB_KEY_h,               FINISH))
        test_latch_not_broken_by_modifier(keymap);
    
        test_no_latch_to_lock(keymap);
    
        xkb_keymap_unref(keymap);
    
        /* Relative group (negative), no lock */
        keymap = test_compile_rules(
            ctx, "evdev", "evdev",
            "us,il,ru,de", ",,phonetic,neo",
            "grp:menu_latch_negative_lock,grp:sclk_toggle");
        assert(keymap);
    
        test_set_only(keymap);
        test_latch_only(keymap);
        test_latch_not_broken_by_modifier(keymap);
    
        /* Lock */
        assert(test_key_seq(keymap,
                            KEY_H,          BOTH,  XKB_KEY_h,               NEXT,
                            /* Lock the fourth group via latch-to-lock */
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,
                            KEY_H,          BOTH,  XKB_KEY_s,               NEXT,
                            KEY_E,          BOTH,  XKB_KEY_l,               NEXT,
                            /* Lock the third group via usual lock */
                            KEY_SCROLLLOCK, BOTH,  XKB_KEY_ISO_Next_Group,  NEXT,
                            KEY_SCROLLLOCK, BOTH,  XKB_KEY_ISO_Next_Group,  NEXT,
                            KEY_SCROLLLOCK, BOTH,  XKB_KEY_ISO_Next_Group,  NEXT,
                            KEY_H,          BOTH,  XKB_KEY_Cyrillic_ha,     NEXT,
                            KEY_E,          BOTH,  XKB_KEY_Cyrillic_ie,     NEXT,
                            /* Lock the second group via latch-to-lock */
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,
                            KEY_COMPOSE,    BOTH,  XKB_KEY_ISO_Group_Latch, NEXT,
                            KEY_H,          BOTH,  XKB_KEY_hebrew_yod,      NEXT,
                            KEY_E,          BOTH,  XKB_KEY_hebrew_qoph,     FINISH));
    
        xkb_keymap_unref(keymap);
    
    #undef test_set_only
    #undef test_latch_only
    #undef test_latch_not_broken_by_modifier
    #undef test_no_latch_to_lock
    }
    
    struct key_properties {
        const char *name;
        bool repeats;
        xkb_mod_mask_t vmodmap;
    };
    
    static void
    test_explicit_actions(struct xkb_context *ctx)
    {
        struct xkb_keymap *original =
            test_compile_file(ctx, "keymaps/explicit-actions.xkb");
        assert(original);
    
        /* Reload keymap from its dump */
        char *dump = xkb_keymap_get_as_string(original,
                                              XKB_KEYMAP_USE_ORIGINAL_FORMAT);
        assert(dump);
        struct xkb_keymap *roundtrip = test_compile_string(ctx, dump);
        free(dump);
    
        struct xkb_keymap *keymaps[] = { original, roundtrip };
    
        for (unsigned k = 0; k < ARRAY_SIZE(keymaps); k++) {
            assert(keymaps[k]);
    
            /*
             * <LALT>: Groups 1 & 3 have no explicit actions while group 2 does.
             * We expect that groups 1 & 3 will have the corresponding interpret run
             * to set their actions.
             *
             * <LVL3> has explicit actions on group 2; dumping the keymap forces
             * explicit actions as well as the essential virtualMods=LevelThree field.
             *
    		 * <AD05> has explicit actions on group 2; dumping the keymap forces
             * explicit actions as well as repeat=Yes.
             */
            const struct key_properties keys[] = {
                { .name = "LALT", .repeats = false, .vmodmap = 0 },
                { .name = "LVL3", .repeats = false, .vmodmap = UINT32_C(1) << 10 },
                { .name = "AD05", .repeats = true , .vmodmap = 0 },
                /* No explicit actions, check defaults */
                { .name = "AD06", .repeats = true , .vmodmap = 0 },
            };
            for (unsigned i = 0; i < ARRAY_SIZE(keys); i++) {
                xkb_keycode_t kc = xkb_keymap_key_by_name(keymaps[k], keys[i].name);
                assert(kc != XKB_KEYCODE_INVALID);
                assert(keys[i].repeats == xkb_keymap_key_repeats(keymaps[k], kc));
                assert(keys[i].vmodmap == keymaps[k]->keys[kc].vmodmap);
            }
            assert(test_key_seq(
                keymaps[k],
                KEY_Y,         BOTH,  XKB_KEY_y,                NEXT,
                KEY_LEFTALT,   DOWN,  XKB_KEY_Shift_L,          NEXT,
                KEY_Y,         BOTH,  XKB_KEY_Y,                NEXT,
                KEY_LEFTALT,   UP,    XKB_KEY_Shift_L,          NEXT,
                KEY_COMPOSE,   BOTH,  XKB_KEY_ISO_Next_Group,   NEXT,
                KEY_Y,         BOTH,  XKB_KEY_z,                NEXT,
                KEY_LEFTALT,   DOWN,  XKB_KEY_ISO_Level3_Shift, NEXT,
                KEY_Y,         BOTH,  XKB_KEY_leftarrow,        NEXT,
                KEY_LEFTALT,   UP,    XKB_KEY_ISO_Level3_Shift, NEXT,
                KEY_COMPOSE,   BOTH,  XKB_KEY_ISO_Next_Group,   NEXT,
                KEY_Y,         BOTH,  XKB_KEY_k,                NEXT,
                KEY_LEFTALT,   DOWN,  XKB_KEY_ISO_Level5_Shift, NEXT,
                KEY_Y,         BOTH,  XKB_KEY_exclamdown,       NEXT,
                KEY_LEFTALT,   UP,    XKB_KEY_ISO_Level5_Shift, NEXT,
                KEY_LEFTSHIFT, DOWN,  XKB_KEY_Shift_L,          NEXT,
                KEY_LEFTALT,   DOWN,  XKB_KEY_ISO_Level3_Shift, NEXT,
                KEY_Y,         BOTH,  XKB_KEY_Greek_kappa,      NEXT,
                KEY_LEFTALT,   UP,    XKB_KEY_ISO_Level3_Shift, NEXT,
                KEY_LEFTSHIFT, UP,    XKB_KEY_Caps_Lock,        NEXT,
                KEY_Y,         BOTH,  XKB_KEY_k,                FINISH
            ));
    
            xkb_keymap_unref(keymaps[k]);
        }
    }
    
    static void
    test_simultaneous_modifier_clear(struct xkb_context *context)
    {
        struct xkb_keymap *keymap;
    
        keymap = test_compile_rules(context, "evdev", "pc104",
                                    "simultaneous-mods-latches", "", "");
        assert(keymap);
    
        /*
         * Github issue #583: simultaneous latches of *different* modifiers should
         * not affect each other when clearing their mods.
         */
    
        /* Original key sequence reported in the issue */
        assert(test_key_seq(keymap,
            KEY_LEFTCTRL, DOWN, XKB_KEY_Control_L       , NEXT, /* Set Control                    */
            KEY_RIGHTALT, BOTH, XKB_KEY_ISO_Level5_Latch, NEXT, /* Latch Level5                   */
            KEY_LEFTCTRL, UP  , XKB_KEY_Control_L       , NEXT, /* Unset Control                  */
            KEY_RIGHTALT, BOTH, XKB_KEY_ISO_Level3_Latch, NEXT, /* Latch Level3                   */
            KEY_Z       , BOTH, XKB_KEY_ydiaeresis      , NEXT, /* Unlatch Level3, unlatch Level5 */
            KEY_Z       , BOTH, XKB_KEY_z               , NEXT,
            KEY_Z       , BOTH, XKB_KEY_z               , FINISH
        ));
    
        /* Alternative key sequence with only mod latches */
        assert(test_key_seq(keymap,
            KEY_RIGHTCTRL, BOTH, XKB_KEY_Control_R       , NEXT, /* Latch Control                      */
            KEY_RIGHTALT,  BOTH, XKB_KEY_ISO_Level5_Latch, NEXT, /* Latch Level5                       */
            KEY_LEFTMETA,  BOTH, XKB_KEY_ISO_Level3_Latch, NEXT, /* Latch Level3                       */
            KEY_Z       ,  BOTH, XKB_KEY_ydiaeresis      , NEXT, /* Unlatch Control, Level3 and Level5 */
            KEY_Z       ,  BOTH, XKB_KEY_z               , NEXT,
            KEY_Z       ,  BOTH, XKB_KEY_z               , NEXT,
            KEY_X       ,  BOTH, XKB_KEY_x               , FINISH
        ));
    
        /* Alternative simplier key sequence */
        assert(test_key_seq(keymap,
            KEY_LEFTMETA,  BOTH, XKB_KEY_ISO_Level3_Latch, NEXT, /* Latch Level3                   */
            KEY_RIGHTMETA, BOTH, XKB_KEY_ISO_Level5_Latch, NEXT, /* Latch Level5                   */
            KEY_Z       ,  BOTH, XKB_KEY_ydiaeresis      , NEXT, /* Unlatch Level3, unlatch Level5 */
            KEY_Z       ,  BOTH, XKB_KEY_z               , NEXT,
            KEY_Z       ,  BOTH, XKB_KEY_z               , FINISH
        ));
    
        /*
         * Test same modifier latch but on a different key
         */
    
        /* Level 3 */
        assert(test_key_seq(keymap,
            KEY_LEFTMETA, BOTH, XKB_KEY_ISO_Level3_Latch, NEXT, /* Latch Level3          */
            KEY_RIGHTALT, BOTH, XKB_KEY_ISO_Level3_Latch, NEXT, /* Lock Level3 via latch */
            KEY_Z       , BOTH, XKB_KEY_y               , NEXT, /* Locked Level3         */
            KEY_Z       , BOTH, XKB_KEY_y               , NEXT,
            KEY_RIGHTALT, BOTH, XKB_KEY_ISO_Level3_Latch, NEXT, /* Unlock Level3 via latch */
            KEY_Z       , BOTH, XKB_KEY_z               , NEXT,
            KEY_Z       , BOTH, XKB_KEY_z               , FINISH
        ));
    
        /* Level 5, via Control latch */
        assert(test_key_seq(keymap,
            KEY_RIGHTCTRL, BOTH, XKB_KEY_Control_R       , NEXT, /* Latch Control        */
            KEY_RIGHTALT,  BOTH, XKB_KEY_ISO_Level5_Latch, NEXT, /* Lock Level5 via latch */
            KEY_RIGHTMETA, BOTH, XKB_KEY_ISO_Level5_Latch, NEXT, /* Latch Level5          */
            KEY_Z       ,  BOTH, XKB_KEY_ezh             , NEXT, /* Locked Level5         */
            KEY_Z       ,  BOTH, XKB_KEY_ezh             , NEXT,
            KEY_RIGHTMETA, BOTH, XKB_KEY_ISO_Level5_Latch, NEXT, /* Unlock Level5 via latch */
            KEY_Z       ,  BOTH, XKB_KEY_z               , NEXT,
            KEY_Z       ,  BOTH, XKB_KEY_z               , NEXT,
            KEY_X       ,  BOTH, XKB_KEY_x               , FINISH
        ));
    
        xkb_keymap_unref(keymap);
    }
    
    int
    main(void)
    {
        test_init();
    
        struct xkb_context *ctx = test_get_context(CONTEXT_NO_FLAG);
        struct xkb_keymap *keymap;
    
        assert(ctx);
    
        test_simultaneous_modifier_clear(ctx);
        test_group_latch(ctx);
        test_explicit_actions(ctx);
    
        keymap = test_compile_rules(ctx, "evdev", "evdev",
                                    "us,il,ru,de", ",,phonetic,neo",
                                    "grp:alt_shift_toggle,grp:menu_toggle");
        assert(keymap);
    
        assert(test_key_seq(keymap,
                            KEY_H,  BOTH,  XKB_KEY_h,  NEXT,
                            KEY_E,  BOTH,  XKB_KEY_e,  NEXT,
                            KEY_L,  BOTH,  XKB_KEY_l,  NEXT,
                            KEY_L,  BOTH,  XKB_KEY_l,  NEXT,
                            KEY_O,  BOTH,  XKB_KEY_o,  FINISH));
    
        /* Simple shifted level. */
        assert(test_key_seq(keymap,
                            KEY_H,          BOTH,  XKB_KEY_h,        NEXT,
                            KEY_LEFTSHIFT,  DOWN,  XKB_KEY_Shift_L,  NEXT,
                            KEY_E,          BOTH,  XKB_KEY_E,        NEXT,
                            KEY_L,          BOTH,  XKB_KEY_L,        NEXT,
                            KEY_LEFTSHIFT,  UP,    XKB_KEY_Shift_L,  NEXT,
                            KEY_L,          BOTH,  XKB_KEY_l,        NEXT,
                            KEY_O,          BOTH,  XKB_KEY_o,        FINISH));
    
        /* Key repeat shifted and unshifted in the middle. */
        assert(test_key_seq(keymap,
                            KEY_H,           DOWN,    XKB_KEY_h,        NEXT,
                            KEY_H,           REPEAT,  XKB_KEY_h,        NEXT,
                            KEY_H,           REPEAT,  XKB_KEY_h,        NEXT,
                            KEY_LEFTSHIFT,   DOWN,    XKB_KEY_Shift_L,  NEXT,
                            KEY_H,           REPEAT,  XKB_KEY_H,        NEXT,
                            KEY_H,           REPEAT,  XKB_KEY_H,        NEXT,
                            KEY_LEFTSHIFT,   UP,      XKB_KEY_Shift_L,  NEXT,
                            KEY_H,           REPEAT,  XKB_KEY_h,        NEXT,
                            KEY_H,           REPEAT,  XKB_KEY_h,        NEXT,
                            KEY_H,           UP,      XKB_KEY_h,        NEXT,
                            KEY_H,           BOTH,    XKB_KEY_h,        FINISH));
    
        /* Base modifier cleared on key release... */
        assert(test_key_seq(keymap,
                            KEY_H,          BOTH,  XKB_KEY_h,        NEXT,
                            KEY_LEFTSHIFT,  DOWN,  XKB_KEY_Shift_L,  NEXT,
                            KEY_E,          BOTH,  XKB_KEY_E,        NEXT,
                            KEY_L,          BOTH,  XKB_KEY_L,        NEXT,
                            KEY_LEFTSHIFT,  DOWN,  XKB_KEY_Shift_L,  NEXT,
                            KEY_L,          BOTH,  XKB_KEY_L,        NEXT,
                            KEY_O,          BOTH,  XKB_KEY_O,        FINISH));
    
        /* ... But only by the keycode that set it. */
        assert(test_key_seq(keymap,
                            KEY_H,           BOTH,  XKB_KEY_h,        NEXT,
                            KEY_LEFTSHIFT,   DOWN,  XKB_KEY_Shift_L,  NEXT,
                            KEY_E,           BOTH,  XKB_KEY_E,        NEXT,
                            KEY_L,           BOTH,  XKB_KEY_L,        NEXT,
                            KEY_RIGHTSHIFT,  UP,    XKB_KEY_Shift_R,  NEXT,
                            KEY_L,           BOTH,  XKB_KEY_L,        NEXT,
                            KEY_O,           BOTH,  XKB_KEY_O,        FINISH));
    
        /*
         * A base modifier should only be cleared when no other key affecting
         * the modifier is down.
         */
        assert(test_key_seq(keymap,
                            KEY_H,           BOTH,  XKB_KEY_h,        NEXT,
                            KEY_LEFTSHIFT,   DOWN,  XKB_KEY_Shift_L,  NEXT,
                            KEY_E,           BOTH,  XKB_KEY_E,        NEXT,
                            KEY_RIGHTSHIFT,  DOWN,  XKB_KEY_Shift_R,  NEXT,
                            KEY_L,           BOTH,  XKB_KEY_L,        NEXT,
                            KEY_RIGHTSHIFT,  UP,    XKB_KEY_Shift_R,  NEXT,
                            KEY_L,           BOTH,  XKB_KEY_L,        NEXT,
                            KEY_LEFTSHIFT,   UP,    XKB_KEY_Shift_L,  NEXT,
                            KEY_O,           BOTH,  XKB_KEY_o,        FINISH));
    
        /*
         * Two key presses from the same key (e.g. if two keyboards use the
         * same xkb_state) should only be released after two releases.
         */
        assert(test_key_seq(keymap,
                            KEY_H,           BOTH,  XKB_KEY_h,        NEXT,
                            KEY_LEFTSHIFT,   DOWN,  XKB_KEY_Shift_L,  NEXT,
                            KEY_H,           BOTH,  XKB_KEY_H,        NEXT,
                            KEY_LEFTSHIFT,   DOWN,  XKB_KEY_Shift_L,  NEXT,
                            KEY_H,           BOTH,  XKB_KEY_H,        NEXT,
                            KEY_LEFTSHIFT,   UP,    XKB_KEY_Shift_L,  NEXT,
                            KEY_H,           BOTH,  XKB_KEY_H,        NEXT,
                            KEY_LEFTSHIFT,   UP,    XKB_KEY_Shift_L,  NEXT,
                            KEY_H,           BOTH,  XKB_KEY_h,        FINISH));
    
        /* Same as above with locked modifiers. */
        assert(test_key_seq(keymap,
                            KEY_H,           BOTH,  XKB_KEY_h,          NEXT,
                            KEY_CAPSLOCK,    DOWN,  XKB_KEY_Caps_Lock,  NEXT,
                            KEY_H,           BOTH,  XKB_KEY_H,          NEXT,
                            KEY_CAPSLOCK,    DOWN,  XKB_KEY_Caps_Lock,  NEXT,
                            KEY_H,           BOTH,  XKB_KEY_H,          NEXT,
                            KEY_CAPSLOCK,    UP,    XKB_KEY_Caps_Lock,  NEXT,
                            KEY_H,           BOTH,  XKB_KEY_H,          NEXT,
                            KEY_CAPSLOCK,    UP,    XKB_KEY_Caps_Lock,  NEXT,
                            KEY_H,           BOTH,  XKB_KEY_H,          NEXT,
                            KEY_CAPSLOCK,    BOTH,  XKB_KEY_Caps_Lock,  NEXT,
                            KEY_H,           BOTH,  XKB_KEY_h,          FINISH));
    
        /* Group switching / locking. */
        assert(test_key_seq(keymap,
                            KEY_H,        BOTH,  XKB_KEY_h,               NEXT,
                            KEY_E,        BOTH,  XKB_KEY_e,               NEXT,
                            KEY_COMPOSE,  BOTH,  XKB_KEY_ISO_Next_Group,  NEXT,
                            KEY_K,        BOTH,  XKB_KEY_hebrew_lamed,    NEXT,
                            KEY_F,        BOTH,  XKB_KEY_hebrew_kaph,     NEXT,
                            KEY_COMPOSE,  BOTH,  XKB_KEY_ISO_Next_Group,  NEXT,
                            KEY_COMPOSE,  BOTH,  XKB_KEY_ISO_Next_Group,  NEXT,
                            KEY_COMPOSE,  BOTH,  XKB_KEY_ISO_Next_Group,  NEXT,
                            KEY_O,        BOTH,  XKB_KEY_o,               FINISH));
    
        assert(test_key_seq(keymap,
                            KEY_LEFTSHIFT, DOWN, XKB_KEY_Shift_L,        NEXT,
                            KEY_LEFTALT,   DOWN, XKB_KEY_ISO_Next_Group, NEXT,
                            KEY_LEFTALT,   UP,   XKB_KEY_ISO_Next_Group, NEXT,
                            KEY_LEFTSHIFT, UP,   XKB_KEY_Shift_L,        FINISH));
    
        assert(test_key_seq(keymap,
                            KEY_LEFTALT,   DOWN, XKB_KEY_Alt_L,          NEXT,
                            KEY_LEFTSHIFT, DOWN, XKB_KEY_ISO_Next_Group, NEXT,
                            KEY_LEFTSHIFT, UP,   XKB_KEY_ISO_Next_Group, NEXT,
                            KEY_LEFTALT,   UP,   XKB_KEY_Alt_L,          FINISH));
    
        /* Locked modifiers. */
        assert(test_key_seq(keymap,
                            KEY_CAPSLOCK,  BOTH,  XKB_KEY_Caps_Lock,  NEXT,
                            KEY_H,         BOTH,  XKB_KEY_H,          NEXT,
                            KEY_E,         BOTH,  XKB_KEY_E,          NEXT,
                            KEY_L,         BOTH,  XKB_KEY_L,          NEXT,
                            KEY_L,         BOTH,  XKB_KEY_L,          NEXT,
                            KEY_O,         BOTH,  XKB_KEY_O,          FINISH));
    
        assert(test_key_seq(keymap,
                            KEY_H,         BOTH,  XKB_KEY_h,          NEXT,
                            KEY_E,         BOTH,  XKB_KEY_e,          NEXT,
                            KEY_CAPSLOCK,  BOTH,  XKB_KEY_Caps_Lock,  NEXT,
                            KEY_L,         BOTH,  XKB_KEY_L,          NEXT,
                            KEY_L,         BOTH,  XKB_KEY_L,          NEXT,
                            KEY_CAPSLOCK,  BOTH,  XKB_KEY_Caps_Lock,  NEXT,
                            KEY_O,         BOTH,  XKB_KEY_o,          FINISH));
    
        assert(test_key_seq(keymap,
                            KEY_H,         BOTH,  XKB_KEY_h,          NEXT,
                            KEY_CAPSLOCK,  DOWN,  XKB_KEY_Caps_Lock,  NEXT,
                            KEY_E,         BOTH,  XKB_KEY_E,          NEXT,
                            KEY_L,         BOTH,  XKB_KEY_L,          NEXT,
                            KEY_L,         BOTH,  XKB_KEY_L,          NEXT,
                            KEY_CAPSLOCK,  UP,    XKB_KEY_Caps_Lock,  NEXT,
                            KEY_O,         BOTH,  XKB_KEY_O,          FINISH));
    
        assert(test_key_seq(keymap,
                            KEY_H,         BOTH,  XKB_KEY_h,          NEXT,
                            KEY_E,         BOTH,  XKB_KEY_e,          NEXT,
                            KEY_CAPSLOCK,  UP,    XKB_KEY_Caps_Lock,  NEXT,
                            KEY_L,         BOTH,  XKB_KEY_l,          NEXT,
                            KEY_L,         BOTH,  XKB_KEY_l,          NEXT,
                            KEY_O,         BOTH,  XKB_KEY_o,          FINISH));
    
        /*
         * A key release affecting a locked modifier should clear it
         * regardless of the key press.
         */
        /* assert(test_key_seq(keymap, */
        /*                     KEY_H,         BOTH,  XKB_KEY_h,          NEXT, */
        /*                     KEY_CAPSLOCK,  DOWN,  XKB_KEY_Caps_Lock,  NEXT, */
        /*                     KEY_E,         BOTH,  XKB_KEY_E,          NEXT, */
        /*                     KEY_L,         BOTH,  XKB_KEY_L,          NEXT, */
        /*                     KEY_CAPSLOCK,  UP,    XKB_KEY_Caps_Lock,  NEXT, */
        /*                     KEY_L,         BOTH,  XKB_KEY_L,          NEXT, */
        /*                     KEY_CAPSLOCK,  UP,    XKB_KEY_Caps_Lock,  NEXT, */
        /*                     KEY_O,         BOTH,  XKB_KEY_o,          FINISH)); */
    
        /* Simple Num Lock sanity check. */
        assert(test_key_seq(keymap,
                            KEY_KP1,      BOTH,  XKB_KEY_KP_End,    NEXT,
                            KEY_NUMLOCK,  BOTH,  XKB_KEY_Num_Lock,  NEXT,
                            KEY_KP1,      BOTH,  XKB_KEY_KP_1,      NEXT,
                            KEY_KP2,      BOTH,  XKB_KEY_KP_2,      NEXT,
                            KEY_NUMLOCK,  BOTH,  XKB_KEY_Num_Lock,  NEXT,
                            KEY_KP2,      BOTH,  XKB_KEY_KP_Down,   FINISH));
    
        /* Test that the aliases in the ru(phonetic) symbols map work. */
        assert(test_key_seq(keymap,
                            KEY_COMPOSE,     BOTH,  XKB_KEY_ISO_Next_Group,  NEXT,
                            KEY_COMPOSE,     BOTH,  XKB_KEY_ISO_Next_Group,  NEXT,
                            KEY_1,           BOTH,  XKB_KEY_1,               NEXT,
                            KEY_Q,           BOTH,  XKB_KEY_Cyrillic_ya,     NEXT,
                            KEY_LEFTSHIFT,   DOWN,  XKB_KEY_Shift_L,         NEXT,
                            KEY_1,           BOTH,  XKB_KEY_exclam,          NEXT,
                            KEY_Q,           BOTH,  XKB_KEY_Cyrillic_YA,     NEXT,
                            KEY_LEFTSHIFT,   UP,    XKB_KEY_Shift_L,         NEXT,
                            KEY_V,           BOTH,  XKB_KEY_Cyrillic_zhe,    NEXT,
                            KEY_CAPSLOCK,    BOTH,  XKB_KEY_Caps_Lock,       NEXT,
                            KEY_1,           BOTH,  XKB_KEY_1,               NEXT,
                            KEY_V,           BOTH,  XKB_KEY_Cyrillic_ZHE,    NEXT,
                            KEY_RIGHTSHIFT,  DOWN,  XKB_KEY_Shift_R,         NEXT,
                            KEY_V,           BOTH,  XKB_KEY_Cyrillic_zhe,    NEXT,
                            KEY_RIGHTSHIFT,  UP,    XKB_KEY_Shift_R,         NEXT,
                            KEY_V,           BOTH,  XKB_KEY_Cyrillic_ZHE,    FINISH));
    
    #define KS(name) xkb_keysym_from_name(name, 0)
    
        /* Test that levels (1-5) in de(neo) symbols map work. */
        assert(test_key_seq(keymap,
                            /* Switch to the group. */
                            KEY_COMPOSE,     BOTH,  XKB_KEY_ISO_Next_Group,    NEXT,
                            KEY_COMPOSE,     BOTH,  XKB_KEY_ISO_Next_Group,    NEXT,
                            KEY_COMPOSE,     BOTH,  XKB_KEY_ISO_Next_Group,    NEXT,
    
                            /* Level 1. */
                            KEY_1,           BOTH,  XKB_KEY_1,                 NEXT,
                            KEY_Q,           BOTH,  XKB_KEY_x,                 NEXT,
                            KEY_KP7,         BOTH,  XKB_KEY_KP_7,              NEXT,
                            KEY_ESC,         BOTH,  XKB_KEY_Escape,            NEXT,
    
                            /* Level 2 with Shift. */
                            KEY_LEFTSHIFT,   DOWN,  XKB_KEY_Shift_L,           NEXT,
                            KEY_1,           BOTH,  XKB_KEY_degree,            NEXT,
                            KEY_Q,           BOTH,  XKB_KEY_X,                 NEXT,
                            KEY_KP7,         BOTH,  KS("U2714"),               NEXT,
                            KEY_ESC,         BOTH,  XKB_KEY_Escape,            NEXT,
                            /*
                             * XXX: de(neo) uses shift(both_capslock) which causes
                             * the interesting result in the next line. Since it's
                             * a key release, it doesn't actually lock the modifier,
                             * and applications by-and-large ignore the keysym on
                             * release(?). Is this a problem?
                             */
                            KEY_LEFTSHIFT,   UP,    XKB_KEY_Caps_Lock,         NEXT,
    
                            /* Level 2 with the Lock modifier. */
                            KEY_LEFTSHIFT,   DOWN,  XKB_KEY_Shift_L,           NEXT,
                            KEY_RIGHTSHIFT,  BOTH,  XKB_KEY_Caps_Lock,         NEXT,
                            KEY_LEFTSHIFT,   UP,    XKB_KEY_Caps_Lock,         NEXT,
                            KEY_6,           BOTH,  XKB_KEY_6,                 NEXT,
                            KEY_H,           BOTH,  XKB_KEY_S,                 NEXT,
                            KEY_KP3,         BOTH,  XKB_KEY_KP_3,              NEXT,
                            KEY_ESC,         BOTH,  XKB_KEY_Escape,            NEXT,
                            KEY_LEFTSHIFT,   DOWN,  XKB_KEY_Shift_L,           NEXT,
                            KEY_RIGHTSHIFT,  BOTH,  XKB_KEY_Caps_Lock,         NEXT,
                            KEY_LEFTSHIFT,   UP,    XKB_KEY_Caps_Lock,         NEXT,
    
                            /* Level 3. */
                            KEY_CAPSLOCK,    DOWN,  XKB_KEY_ISO_Level3_Shift,  NEXT,
                            KEY_6,           BOTH,  XKB_KEY_cent,              NEXT,
                            KEY_Q,           BOTH,  XKB_KEY_ellipsis,          NEXT,
                            KEY_KP7,         BOTH,  KS("U2195"),               NEXT,
                            KEY_ESC,         BOTH,  XKB_KEY_Escape,            NEXT,
                            KEY_CAPSLOCK,    UP,    XKB_KEY_ISO_Level3_Shift,  NEXT,
    
                            /* Level 4. */
                            KEY_CAPSLOCK,    DOWN,  XKB_KEY_ISO_Level3_Shift,  NEXT,
                            KEY_LEFTSHIFT,   DOWN,  XKB_KEY_Shift_L,           NEXT,
                            KEY_5,           BOTH,  XKB_KEY_malesymbol,        NEXT,
                            KEY_E,           BOTH,  XKB_KEY_Greek_lambda,      NEXT,
                            KEY_SPACE,       BOTH,  XKB_KEY_nobreakspace,      NEXT,
                            KEY_KP8,         BOTH,  XKB_KEY_intersection,      NEXT,
                            KEY_ESC,         BOTH,  XKB_KEY_Escape,            NEXT,
                            KEY_LEFTSHIFT,   UP,    XKB_KEY_Caps_Lock,         NEXT,
                            KEY_CAPSLOCK,    UP,    XKB_KEY_ISO_Level3_Shift,  NEXT,
    
                            /* Level 5. */
                            KEY_RIGHTALT,    DOWN,  XKB_KEY_ISO_Level5_Shift,  NEXT,
                            /* XXX: xkeyboard-config is borked when de(neo) is
                             *      not the first group - not our fault. We test
                             *      Level5 separately below with only de(neo). */
                            /* KEY_5,           BOTH,  XKB_KEY_periodcentered,    NEXT, */
                            /* KEY_E,           BOTH,  XKB_KEY_Up,                NEXT, */
                            /* KEY_SPACE,       BOTH,  XKB_KEY_KP_0,              NEXT, */
                            /* KEY_KP8,         BOTH,  XKB_KEY_KP_Up,             NEXT, */
                            KEY_ESC,         BOTH,  XKB_KEY_Escape,            NEXT,
                            KEY_RIGHTALT,    UP,    XKB_KEY_ISO_Level5_Shift,  NEXT,
    
                            KEY_V,           BOTH,  XKB_KEY_p,               FINISH));
    
        xkb_keymap_unref(keymap);
        keymap = test_compile_rules(ctx, "evdev", "", "de", "neo", "");
        assert(keymap);
        assert(test_key_seq(keymap,
                            /* Level 5. */
                            KEY_RIGHTALT,    DOWN,  XKB_KEY_ISO_Level5_Shift,  NEXT,
                            KEY_5,           BOTH,  XKB_KEY_periodcentered,    NEXT,
                            KEY_E,           BOTH,  XKB_KEY_Up,                NEXT,
                            KEY_SPACE,       BOTH,  XKB_KEY_KP_0,              NEXT,
                            KEY_KP8,         BOTH,  XKB_KEY_KP_Up,             NEXT,
                            KEY_ESC,         BOTH,  XKB_KEY_Escape,            NEXT,
                            KEY_RIGHTALT,    UP,    XKB_KEY_ISO_Level5_Lock,   NEXT,
    
                            /* Level 6. */
                            KEY_RIGHTALT,    DOWN,  XKB_KEY_ISO_Level5_Shift,  NEXT,
                            KEY_RIGHTSHIFT,  DOWN,  XKB_KEY_Shift_R,           NEXT,
                            KEY_5,           BOTH,  XKB_KEY_NoSymbol,          NEXT,
                            KEY_8,           BOTH,  XKB_KEY_ISO_Left_Tab,      NEXT,
                            KEY_E,           BOTH,  XKB_KEY_Up,                NEXT,
                            KEY_SPACE,       BOTH,  XKB_KEY_KP_0,              NEXT,
                            KEY_KP8,         BOTH,  XKB_KEY_KP_Up,             NEXT,
                            KEY_ESC,         BOTH,  XKB_KEY_Escape,            NEXT,
                            KEY_RIGHTSHIFT,  UP,    XKB_KEY_Caps_Lock,         NEXT,
                            KEY_RIGHTALT,    UP,    XKB_KEY_ISO_Level5_Lock,   NEXT,
    
                            /* Level 7. */
                            KEY_RIGHTALT,    DOWN,  XKB_KEY_ISO_Level5_Shift,  NEXT,
                            KEY_CAPSLOCK,    DOWN,  XKB_KEY_ISO_Level3_Shift,  NEXT,
                            KEY_5,           BOTH,  KS("U2221"),               NEXT,
                            KEY_E,           BOTH,  XKB_KEY_Greek_LAMBDA,      NEXT,
                            KEY_SPACE,       BOTH,  KS("U202F"),               NEXT,
                            KEY_KP8,         BOTH,  KS("U22C2"),               NEXT,
                            KEY_ESC,         BOTH,  XKB_KEY_Escape,            NEXT,
                            KEY_CAPSLOCK,    UP,    XKB_KEY_ISO_Level3_Shift,  NEXT,
                            KEY_RIGHTALT,    UP,    XKB_KEY_ISO_Level5_Lock,   NEXT,
    
                            /* Level 8. */
                            KEY_RIGHTALT,    DOWN,  XKB_KEY_ISO_Level5_Shift,  NEXT,
                            KEY_CAPSLOCK,    DOWN,  XKB_KEY_ISO_Level3_Shift,  NEXT,
                            KEY_RIGHTSHIFT,  DOWN,  XKB_KEY_Shift_R,           NEXT,
                            KEY_TAB,         BOTH,  XKB_KEY_ISO_Level5_Lock,   NEXT,
                            KEY_V,           BOTH,  XKB_KEY_Greek_pi,          NEXT,
                            KEY_RIGHTSHIFT,  UP,    XKB_KEY_Caps_Lock,         NEXT,
                            KEY_V,           BOTH,  XKB_KEY_asciitilde,        NEXT,
                            KEY_CAPSLOCK,    UP,    XKB_KEY_ISO_Level3_Shift,  NEXT,
                            KEY_V,           BOTH,  XKB_KEY_p,                 NEXT,
                            KEY_RIGHTALT,    UP,    XKB_KEY_ISO_Level5_Lock,   NEXT,
                            /* Locks Level 5. */
    
                            KEY_V,           BOTH,  XKB_KEY_Return,            FINISH));
    
    
        xkb_keymap_unref(keymap);
        keymap = test_compile_rules(ctx, "evdev", "", "us,il,ru", "",
                                    "grp:alt_shift_toggle_bidir,grp:menu_toggle");
        assert(keymap);
    
        assert(test_key_seq(keymap,
                            KEY_LEFTSHIFT, DOWN, XKB_KEY_Shift_L,        NEXT,
                            KEY_LEFTALT,   DOWN, XKB_KEY_ISO_Prev_Group, NEXT,
                            KEY_LEFTALT,   UP,   XKB_KEY_ISO_Prev_Group, NEXT,
                            KEY_LEFTSHIFT, UP,   XKB_KEY_Shift_L,        FINISH));
    
        assert(test_key_seq(keymap,
                            KEY_LEFTALT,   DOWN, XKB_KEY_Alt_L,          NEXT,
                            KEY_LEFTSHIFT, DOWN, XKB_KEY_ISO_Prev_Group, NEXT,
                            KEY_LEFTSHIFT, UP,   XKB_KEY_ISO_Prev_Group, NEXT,
                            KEY_LEFTALT,   UP,   XKB_KEY_Alt_L,          FINISH));
    
        /* Check backwards (negative) group switching and wrapping. */
        assert(test_key_seq(keymap,
                            KEY_H,         BOTH, XKB_KEY_h,              NEXT,
                            KEY_COMPOSE,   BOTH, XKB_KEY_ISO_Next_Group, NEXT,
                            KEY_H,         BOTH, XKB_KEY_hebrew_yod,     NEXT,
                            KEY_COMPOSE,   BOTH, XKB_KEY_ISO_Next_Group, NEXT,
                            KEY_H,         BOTH, XKB_KEY_Cyrillic_er,    NEXT,
                            KEY_LEFTSHIFT, DOWN, XKB_KEY_Shift_L,        NEXT,
                            KEY_LEFTALT,   BOTH, XKB_KEY_ISO_Prev_Group, NEXT,
                            KEY_LEFTSHIFT, UP,   XKB_KEY_Shift_L,        NEXT,
                            KEY_H,         BOTH, XKB_KEY_hebrew_yod,     NEXT,
                            KEY_LEFTSHIFT, DOWN, XKB_KEY_Shift_L,        NEXT,
                            KEY_LEFTALT,   BOTH, XKB_KEY_ISO_Prev_Group, NEXT,
                            KEY_LEFTSHIFT, UP,   XKB_KEY_Shift_L,        NEXT,
                            KEY_H,         BOTH, XKB_KEY_h,              NEXT,
                            KEY_LEFTSHIFT, DOWN, XKB_KEY_Shift_L,        NEXT,
                            KEY_LEFTALT,   BOTH, XKB_KEY_ISO_Prev_Group, NEXT,
                            KEY_LEFTSHIFT, UP,   XKB_KEY_Shift_L,        NEXT,
                            KEY_H,         BOTH, XKB_KEY_Cyrillic_er,    NEXT,
                            KEY_COMPOSE,   BOTH, XKB_KEY_ISO_Next_Group, NEXT,
                            KEY_H,         BOTH, XKB_KEY_h,              FINISH));
    
        xkb_keymap_unref(keymap);
        keymap = test_compile_rules(ctx, "evdev", "", "us,il,ru", "",
                                    "grp:switch,grp:lswitch,grp:menu_toggle");
        assert(keymap);
    
        /* Test depressed group works (Mode_switch). */
        assert(test_key_seq(keymap,
                            KEY_H,         BOTH, XKB_KEY_h,                 NEXT,
                            KEY_RIGHTALT,  DOWN, XKB_KEY_Mode_switch,       NEXT,
                            KEY_H,         BOTH, XKB_KEY_hebrew_yod,        NEXT,
                            KEY_RIGHTALT,  UP,   XKB_KEY_ISO_Level3_Shift,  NEXT,
                            KEY_H,         BOTH, XKB_KEY_h,                 NEXT,
                            KEY_RIGHTALT,  DOWN, XKB_KEY_Mode_switch,       NEXT,
                            KEY_H,         BOTH, XKB_KEY_hebrew_yod,        NEXT,
                            KEY_RIGHTALT,  UP,   XKB_KEY_ISO_Level3_Shift,  NEXT,
                            KEY_H,         BOTH, XKB_KEY_h,                 FINISH));
    
        /* Test locked+depressed group works, with wrapping and accumulation. */
        assert(test_key_seq(keymap,
                            KEY_H,         BOTH, XKB_KEY_h,                 NEXT,
                            KEY_COMPOSE,   BOTH, XKB_KEY_ISO_Next_Group,    NEXT,
                            KEY_LEFTALT,   DOWN, XKB_KEY_Mode_switch,       NEXT,
                            KEY_H,         BOTH, XKB_KEY_Cyrillic_er,       NEXT,
                            KEY_LEFTALT,   UP,   XKB_KEY_Mode_switch,       NEXT,
                            KEY_H,         BOTH, XKB_KEY_hebrew_yod,        NEXT,
                            KEY_COMPOSE,   BOTH, XKB_KEY_ISO_Next_Group,    NEXT,
                            KEY_LEFTALT,   DOWN, XKB_KEY_Mode_switch,       NEXT,
                            /* Should wrap back to first group. */
                            KEY_H,         BOTH, XKB_KEY_h,                 NEXT,
                            KEY_LEFTALT,   UP,   XKB_KEY_Mode_switch,       NEXT,
                            KEY_H,         BOTH, XKB_KEY_Cyrillic_er,       NEXT,
                            KEY_COMPOSE,   BOTH, XKB_KEY_ISO_Next_Group,    NEXT,
                            KEY_H,         BOTH, XKB_KEY_h,                 NEXT,
                            /* Two SetGroup(+1)'s should add up. */
                            KEY_RIGHTALT,  DOWN, XKB_KEY_Mode_switch,       NEXT,
                            KEY_H,         BOTH, XKB_KEY_hebrew_yod,        NEXT,
                            KEY_LEFTALT,   DOWN, XKB_KEY_Mode_switch,       NEXT,
                            KEY_H,         BOTH, XKB_KEY_Cyrillic_er,       NEXT,
                            KEY_LEFTALT,   UP,   XKB_KEY_Mode_switch,       NEXT,
                            KEY_H,         BOTH, XKB_KEY_hebrew_yod,        NEXT,
                            KEY_RIGHTALT,  UP,   XKB_KEY_ISO_Level3_Shift,  NEXT,
                            KEY_H,         BOTH, XKB_KEY_h,                 FINISH));
    
        xkb_keymap_unref(keymap);
        keymap = test_compile_rules(ctx, "evdev", "", "us", "euro", "");
        assert(keymap);
    
        assert(test_key_seq(keymap,
                            KEY_5,         BOTH, XKB_KEY_5,                 NEXT,
                            KEY_RIGHTALT,  DOWN, XKB_KEY_ISO_Level3_Shift,  NEXT,
                            KEY_5,         BOTH, XKB_KEY_EuroSign,          NEXT,
                            KEY_RIGHTALT,  UP,   XKB_KEY_ISO_Level3_Shift,  FINISH));
    
        xkb_keymap_unref(keymap);
        keymap = test_compile_file(ctx, "keymaps/unbound-vmod.xkb");
        assert(keymap);
    
        assert(test_key_seq(keymap,
                            KEY_H,         BOTH, XKB_KEY_h,                 NEXT,
                            KEY_Z,         BOTH, XKB_KEY_y,                 NEXT,
                            KEY_MINUS,     BOTH, XKB_KEY_ssharp,            NEXT,
                            KEY_Z,         BOTH, XKB_KEY_y,                 FINISH));
    
        xkb_keymap_unref(keymap);
        keymap = test_compile_rules(ctx, "evdev", "applealu_ansi", "us", "",
                                    "terminate:ctrl_alt_bksp");
        assert(keymap);
    
        assert(test_key_seq(keymap,
                            KEY_5,         BOTH, XKB_KEY_5,                 NEXT,
                            KEY_KP1,       BOTH, XKB_KEY_KP_1,              NEXT,
                            KEY_NUMLOCK,   BOTH, XKB_KEY_Clear,             NEXT,
                            KEY_LEFTSHIFT, DOWN, XKB_KEY_Shift_L,           NEXT,
                            KEY_KP1,       BOTH, XKB_KEY_KP_1,              NEXT,
                            KEY_LEFTSHIFT, UP,   XKB_KEY_Shift_L,           NEXT,
                            KEY_CAPSLOCK,  BOTH, XKB_KEY_Caps_Lock,         NEXT,
                            KEY_KP1,       BOTH, XKB_KEY_KP_1,              NEXT,
                            KEY_LEFTSHIFT, DOWN, XKB_KEY_Shift_L,           NEXT,
                            KEY_KP1,       BOTH, XKB_KEY_KP_1,              NEXT,
                            KEY_LEFTSHIFT, UP,   XKB_KEY_Shift_L,           NEXT,
                            KEY_CAPSLOCK,  BOTH, XKB_KEY_Caps_Lock,         NEXT,
                            KEY_A,         BOTH, XKB_KEY_a,                 FINISH));
    
        xkb_keymap_unref(keymap);
        xkb_context_unref(ctx);
        return EXIT_SUCCESS;
    }