kc3-lang/libxkbcommon/test/xvfb-wrapper.h

Branch : - branch - android master - tag -

• Show log

  Commit

• Author : Pierre Le Marre
  Date : 2025-07-07 12:28:24
  Hash : dc63e5f8
  Message : Ensure config.h is always included first While `config.h` may not be necessary in every file, it ensures consistency and makes code refactoring safer.

• test/xvfb-wrapper.h

• /*
   * Copyright © 2014 Ran Benita <ran234@gmail.com>
   * Copyright © 2023 Pierre Le Marre <dev@wismill.eu>
   * SPDX-License-Identifier: MIT
   */
  
  /*
   *This is a wrapper around X11 tests to make it faster to use for the simple
   * type of test cases.
   *
   * Use with the X11_TEST macro like this:
   *
   * X11_TEST(some_test) {
   *  return 0;
   * }
   *
   * int main(void) {
   *  return x11_tests_run(void);
   * }
   *
   */
  
  #pragma once
  
  #include "config.h"
  
  int xvfb_wrapper(int (*f)(char* display));
  
  int x11_tests_run(void);
  
  typedef int (* x11_test_func_t)(char* display);
  
  struct test_function {
      const char *name;     /* function name */
      const char *file;     /* file name */
      x11_test_func_t func; /* test function */
  } __attribute__((aligned(16)));
  
  /**
   * Defines a struct test_function in a custom ELF section that we can then
   * loop over in x11_tests_run() to extract the tests. This removes the
   * need of manually adding the tests to a suite or listing them somewhere.
   */
  #define TEST_ELF_SECTION test_func_sec
  
  #if defined(__APPLE__) && defined(__MACH__)
  #define SET_TEST_ELF_SECTION(_section) \
      __attribute__((retain,used)) \
      __attribute__((section("__DATA," STRINGIFY(_section))))
  
  /* Custom section pointers. See: https://stackoverflow.com/a/22366882 */
  #define DECLARE_TEST_ELF_SECTION_POINTERS(_section) \
  extern const struct test_function CONCAT2(__start_, _section) \
      __asm("section$start$__DATA$" STRINGIFY2(_section)); \
  extern const struct test_function CONCAT2(__stop_, _section) \
      __asm("section$end$__DATA$" STRINGIFY2(_section))
  
  #else
  
  #define SET_TEST_ELF_SECTION(_section) \
      __attribute__((retain,used)) \
      __attribute__((section(STRINGIFY(_section))))
  
  #define DECLARE_TEST_ELF_SECTION_POINTERS(_section) \
      extern const struct test_function \
      CONCAT2(__start_, _section), CONCAT2(__stop_, _section)
  #endif
  
  #define X11_TEST(_func) \
  static int _func(char* display); \
  static const struct test_function _test_##_func \
  SET_TEST_ELF_SECTION(TEST_ELF_SECTION) = { \
      .name = #_func, \
      .func = (_func), \
      .file = __FILE__, \
  }; \
  static int _func(char* display)