kc3-lang/libxkbcommon/test/stringcomp.c

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• Hash : c58c7df1
  Author :
  Date : 2025-06-17T21:05:08
  

  Serialize multiple actions per level to VoidAction() in v1 format
  
  When using `XKB_KEYMAP_FORMAT_TEXT_V1`, multiple actions per level are now
  serialized using `VoidAction()`, in order to maintain compatibility with X11.
  

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• test/stringcomp.c

• /*
   * Copyright © 2009 Dan Nicholson
   * SPDX-License-Identifier: MIT
   */
  
  #include "config.h"
  
  #include <assert.h>
  #include <stdio.h>
  #include <stdlib.h>
  
  #include "xkbcommon/xkbcommon.h"
  #include "test.h"
  #include "test/utils-text.h"
  #include "utils.h"
  
  static void
  test_explicit_actions(struct xkb_context *ctx)
  {
      struct xkb_keymap *keymap;
  
      char *original = test_read_file("keymaps/explicit-actions.xkb");
      assert(original);
      char *tmp = uncomment(original, strlen(original), "//");
      assert(tmp);
      char *expected = strip_lines(tmp, strlen(tmp), "//");
      free(tmp);
      assert(expected);
      char *got = NULL;
  
      /* Try original */
      keymap = test_compile_string(ctx, XKB_KEYMAP_FORMAT_TEXT_V1, original);
      free(original);
      assert(keymap);
      got = xkb_keymap_get_as_string(keymap, XKB_KEYMAP_USE_ORIGINAL_FORMAT);
      xkb_keymap_unref(keymap);
      assert_streq_not_null("Check output from original", expected, got);
      free(got);
  
      /* Try round-trip */
      keymap = test_compile_string(ctx, XKB_KEYMAP_FORMAT_TEXT_V1, expected);
      assert(keymap);
      got = xkb_keymap_get_as_string(keymap, XKB_KEYMAP_USE_ORIGINAL_FORMAT);
      xkb_keymap_unref(keymap);
      assert_streq_not_null("Check roundtrip", expected, got);
      free(got);
  
      free(expected);
  }
  
  static struct xkb_keymap*
  compile_string(struct xkb_context *context, enum xkb_keymap_format format,
                 const char *buf, size_t len, void *private)
  {
      return test_compile_string(context, format, buf);
  }
  
  int
  main(int argc, char *argv[])
  {
      test_init();
  
      bool update_output_files = false;
      if (argc > 1) {
          if (streq(argv[1], "update")) {
              /* Update files with *obtained* results */
              update_output_files = true;
          } else {
              fprintf(stderr, "ERROR: unsupported argument: \"%s\".\n", argv[1]);
              exit(EXIT_FAILURE);
          }
      }
  
      struct xkb_context *ctx = test_get_context(CONTEXT_NO_FLAG);
      struct xkb_keymap *keymap;
      char *dump, *dump2;
  
      assert(ctx);
  
      /* Make sure we can't (falsely claim to) compile an empty string. */
      keymap = test_compile_string(ctx, XKB_KEYMAP_FORMAT_TEXT_V1, "");
      assert(!keymap);
  
      /* Load in a prebuilt keymap, make sure we can compile it from a string,
       * then compare it to make sure we get the same result when dumping it
       * to a string. */
      static const struct {
          const char* path;
          enum xkb_keymap_format format;
      } data[] = {
          {
              .path = "keymaps/stringcomp-v1.data",
              .format = XKB_KEYMAP_FORMAT_TEXT_V1
          },
          {
              .path = "keymaps/stringcomp-v2.data",
              .format = XKB_KEYMAP_FORMAT_TEXT_V2
          },
      };
      for (unsigned int k = 0; k < ARRAY_SIZE(data); k++) {
          char *original = test_read_file(data[k].path);
          assert(original);
          assert(test_compile_output(ctx, data[k].format,
                                  XKB_KEYMAP_USE_ORIGINAL_FORMAT,
                                  compile_string, NULL, "Round-trip",
                                  original, 0 /* unused */, data[k].path,
                                  update_output_files));
          free(original);
      }
  
      /* Make sure we can recompile our output for a normal keymap from rules. */
      keymap = test_compile_rules(ctx, XKB_KEYMAP_FORMAT_TEXT_V1, NULL,
                                  NULL, "ru,ca,de,us", ",multix,neo,intl", NULL);
      assert(keymap);
      dump = xkb_keymap_get_as_string(keymap, XKB_KEYMAP_USE_ORIGINAL_FORMAT);
      assert(dump);
      xkb_keymap_unref(keymap);
      keymap = test_compile_string(ctx, XKB_KEYMAP_FORMAT_TEXT_V1, dump);
      assert(keymap);
      /* Now test that the dump of the dump is equal to the dump! */
      dump2 = xkb_keymap_get_as_string(keymap, XKB_KEYMAP_USE_ORIGINAL_FORMAT);
      assert(dump2);
      assert(streq(dump, dump2));
  
      /* Test response to invalid formats and flags. */
      assert(!xkb_keymap_new_from_string(ctx, dump, 0, 0));
      assert(!xkb_keymap_new_from_string(ctx, dump, -1, 0));
      assert(!xkb_keymap_new_from_string(ctx, dump, XKB_KEYMAP_USE_ORIGINAL_FORMAT, 0));
      assert(!xkb_keymap_new_from_string(ctx, dump, XKB_KEYMAP_FORMAT_TEXT_V2+1, 0));
      assert(!xkb_keymap_new_from_string(ctx, dump, XKB_KEYMAP_FORMAT_TEXT_V1, -1));
      assert(!xkb_keymap_new_from_string(ctx, dump, XKB_KEYMAP_FORMAT_TEXT_V1, 1414));
      assert(!xkb_keymap_get_as_string(keymap, 0));
      assert(!xkb_keymap_get_as_string(keymap, 4893));
  
      xkb_keymap_unref(keymap);
      free(dump);
      free(dump2);
  
      test_explicit_actions(ctx);
  
      xkb_context_unref(ctx);
  
      return EXIT_SUCCESS;
  }
  

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