src/tint/lang/wgsl/helpers/check_supported_extensions_test.cc

// Copyright 2022 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
//    contributors may be used to endorse or promote products derived from
//    this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "src/tint/lang/wgsl/helpers/check_supported_extensions.h"

#include "gtest/gtest.h"

#include "src/tint/lang/wgsl/program/program_builder.h"

namespace tint::wgsl {
namespace {

class CheckSupportedExtensionsTest : public ::testing::Test, public ProgramBuilder {};

TEST_F(CheckSupportedExtensionsTest, Supported) {
    Enable(wgsl::Extension::kF16);

    ASSERT_TRUE(CheckSupportedExtensions("writer", AST(), Diagnostics(),
                                         Vector{
                                             wgsl::Extension::kF16,
                                             wgsl::Extension::kChromiumExperimentalSubgroupMatrix,
                                         }));
}

TEST_F(CheckSupportedExtensionsTest, Unsupported) {
    Enable(Source{{12, 34}}, wgsl::Extension::kF16);

    ASSERT_FALSE(CheckSupportedExtensions("writer", AST(), Diagnostics(),
                                          Vector{
                                              wgsl::Extension::kChromiumExperimentalSubgroupMatrix,
                                          }));
    EXPECT_EQ(Diagnostics().Str(), "12:34 error: writer backend does not support extension 'f16'");
}

}  // namespace
}  // namespace tint::wgsl