| // Copyright 2022 The Dawn Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "dawn/native/ShaderModule.h" |
| #include "dawn/tests/unittests/validation/ValidationTest.h" |
| |
| namespace dawn { |
| namespace { |
| |
| class CountUTF16CodeUnitsFromUTF8StringTest : public ValidationTest {}; |
| |
| TEST_F(CountUTF16CodeUnitsFromUTF8StringTest, ValidUnicodeString) { |
| struct TestCase { |
| const char* u8String; |
| uint64_t lengthInUTF16; |
| }; |
| |
| // Referenced from src/tint/utils/unicode_test.cc |
| constexpr std::array<TestCase, 12> kTestCases = {{ |
| {"", 0}, |
| {"abc", 3}, |
| {"\xe4\xbd\xa0\xe5\xa5\xbd\xe4\xb8\x96\xe7\x95\x8c", 4}, |
| {"def\xf0\x9f\x91\x8b\xf0\x9f\x8c\x8e", 7}, |
| {"\xed\x9f\xbf", 1}, // CodePoint == 0xD7FF |
| {"\xed\x9f\xbe", 1}, // CodePoint == 0xD7FF - 1 |
| {"\xee\x80\x80", 1}, // CodePoint == 0xE000 |
| {"\xee\x80\x81", 1}, // CodePoint == 0xE000 + 1 |
| {"\xef\xbf\xbf", 1}, // CodePoint == 0xFFFF |
| {"\xef\xbf\xbe", 1}, // CodePoint == 0xFFFF - 1 |
| {"\xf0\x90\x80\x80", 2}, // CodePoint == 0x10000 |
| {"\xf0\x90\x80\x81", 2}, // CodePoint == 0x10000 + 1 |
| }}; |
| |
| for (const TestCase& testCase : kTestCases) { |
| native::ResultOrError<uint64_t> resultOrError = |
| native::CountUTF16CodeUnitsFromUTF8String(std::string_view(testCase.u8String)); |
| ASSERT_TRUE(resultOrError.IsSuccess()); |
| ASSERT_EQ(testCase.lengthInUTF16, resultOrError.AcquireSuccess()); |
| } |
| } |
| |
| TEST_F(CountUTF16CodeUnitsFromUTF8StringTest, InvalidUnicodeString) { |
| // Referenced from src/tint/utils/unicode_test.cc |
| constexpr std::array<const char*, 12> kTestCases = {{ |
| "\xed\xa0\x80", // CodePoint == 0xD7FF + 1 |
| "\xed\xbf\xbf", // CodePoint == 0xE000 - 1 |
| "ab\xed\xa0\x80", |
| "\xd0", // 2-bytes, missing second byte |
| "\xe8\x8f", // 3-bytes, missing third byte |
| "\xf4\x8f\x8f", // 4-bytes, missing fourth byte |
| "\xd0\x7f", // 2-bytes, second byte MSB unset |
| "\xe8\x7f\x8f", // 3-bytes, second byte MSB unset |
| "\xe8\x8f\x7f", // 3-bytes, third byte MSB unset |
| "\xf4\x7f\x8f\x8f", // 4-bytes, second byte MSB unset |
| "\xf4\x8f\x7f\x8f", // 4-bytes, third byte MSB unset |
| "\xf4\x8f\x8f\x7f", // 4-bytes, fourth byte MSB unset |
| }}; |
| |
| for (const char* testCase : kTestCases) { |
| native::ResultOrError<uint64_t> resultOrError = |
| native::CountUTF16CodeUnitsFromUTF8String(std::string_view(testCase)); |
| ASSERT_TRUE(resultOrError.IsError()); |
| std::ignore = resultOrError.AcquireError(); |
| } |
| } |
| |
| } // anonymous namespace |
| } // namespace dawn |