src/dawn/tests/unittests/WindowsUtilsTests.cpp

// Copyright 2021 The Dawn & Tint Authors
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#include <gtest/gtest.h>

#include "dawn/common/WindowsUtils.h"

namespace dawn {
namespace {

TEST(WindowsUtilsTests, WCharToUTF8) {
    // Test the empty string
    ASSERT_EQ("", WCharToUTF8(L""));

    // Test ASCII characters
    ASSERT_EQ("abc", WCharToUTF8(L"abc"));

    // Test ASCII characters
    ASSERT_EQ("abc", WCharToUTF8(L"abc"));

    // Test two-byte utf8 character
    ASSERT_EQ("\xd1\x90", WCharToUTF8(L"\x450"));

    // Test three-byte utf8 codepoint
    ASSERT_EQ("\xe1\x81\x90", WCharToUTF8(L"\x1050"));
}

TEST(WindowsUtilsTests, UTF8ToWStr) {
    // Test the empty string
    ASSERT_EQ(L"", UTF8ToWStr(""));

    // Test ASCII characters
    ASSERT_EQ(L"abc", UTF8ToWStr("abc"));

    // Test ASCII characters
    ASSERT_EQ(L"abc", UTF8ToWStr("abc"));

    // Test two-byte utf8 character
    ASSERT_EQ(L"\x450", UTF8ToWStr("\xd1\x90"));

    // Test three-byte utf8 codepoint
    ASSERT_EQ(L"\x1050", UTF8ToWStr("\xe1\x81\x90"));
}

}  // anonymous namespace
}  // namespace dawn