src/tint/utils/macros/defer_test.cc

// Copyright 2021 The Dawn & Tint Authors
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#include "src/tint/utils/macros/defer.h"

#include "gtest/gtest.h"

namespace tint {
namespace {

TEST(DeferTest, Basic) {
    bool deferCalled = false;
    { TINT_DEFER(deferCalled = true); }
    ASSERT_TRUE(deferCalled);
}

TEST(DeferTest, DeferOrder) {
    int counter = 0;
    int a = 0, b = 0, c = 0;
    {
        TINT_DEFER(a = ++counter);
        TINT_DEFER(b = ++counter);
        TINT_DEFER(c = ++counter);
    }
    ASSERT_EQ(a, 3);
    ASSERT_EQ(b, 2);
    ASSERT_EQ(c, 1);
}

}  // namespace
}  // namespace tint