dawn-cmake/src/tint/utils/bitcast_test.cc
Ben Clayton 7cbd8202e6 tint: Add Bitcast helper
Use this for the BlockAllocator cast.

Bug: dawn:1406
Change-Id: Ic5d1acf7f8e74037fb51fc9d5d3b5141a15bd962
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89021
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@chromium.org>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
2022-05-05 15:34:41 +00:00

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// Copyright 2022 The Tint 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 "src/tint/utils/bitcast.h"
#include <stdint.h>
#include "gtest/gtest.h"
namespace tint::utils {
namespace {
TEST(Bitcast, Integer) {
uint32_t a = 123;
int32_t b = Bitcast<int32_t>(a);
EXPECT_EQ(a, static_cast<uint32_t>(b));
}
TEST(Bitcast, Pointer) {
uint32_t a = 123;
void* b = Bitcast<void*>(&a);
EXPECT_EQ(&a, static_cast<uint32_t*>(b));
}
} // namespace
} // namespace tint::utils