dawn-cmake/src/utils/scoped_assignment_test.cc
Ben Clayton b350500cdb utils: Add TINT_SCOPED_ASSIGNMENT()
A helper class and macro used to simplify scope-based assignment of
variables.

Change-Id: I02b3a05240a2c4628f813de931c40d8fba3cb07b
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/51480
Auto-Submit: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
2021-05-19 16:11:04 +00:00

48 lines
1.1 KiB
C++

// Copyright 2021 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/utils/scoped_assignment.h"
#include "gtest/gtest.h"
namespace tint {
namespace utils {
namespace {
TEST(ScopedAssignmentTest, Scopes) {
int i = 0;
EXPECT_EQ(i, 0);
{
EXPECT_EQ(i, 0);
TINT_SCOPED_ASSIGNMENT(i, 1);
EXPECT_EQ(i, 1);
{
EXPECT_EQ(i, 1);
TINT_SCOPED_ASSIGNMENT(i, 2);
EXPECT_EQ(i, 2);
}
{
EXPECT_EQ(i, 1);
TINT_SCOPED_ASSIGNMENT(i, 3);
EXPECT_EQ(i, 3);
}
EXPECT_EQ(i, 1);
}
EXPECT_EQ(i, 0);
}
} // namespace
} // namespace utils
} // namespace tint