Function MakeLongUTF8String

test/unit_spirv.h:168–184

Returns a string with num_4_byte_chars Unicode characters, each of which has a 4-byte UTF-8 encoding.

// Returns a string with num_4_byte_chars Unicode characters,
// each of which has a 4-byte UTF-8 encoding.
inline std::string MakeLongUTF8String(size_t num_4_byte_chars) {
  // An example of a longest valid UTF-8 character.
  // Be explicit about the character type because Microsoft compilers can
  // otherwise interpret the character string as being over wide (16-bit)
  // characters.  Ideally, we would just use a C++11 UTF-8 string literal,
  // but we want to support older Microsoft compilers.
  const std::basic_string<char> earth_africa("\xF0\x9F\x8C\x8D");
  EXPECT_EQ(4u, earth_africa.size());

  std::string result;
  result.reserve(num_4_byte_chars * 4);
  for (size_t i = 0; i < num_4_byte_chars; i++) {
    result += earth_africa;
  }
  EXPECT_EQ(4 * num_4_byte_chars, result.size());
  return result;
}

// Returns a vector of all valid target environment enums.
inline std::vector<spv_target_env> AllTargetEnvironments() {