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#include "src/tint/lang/spirv/writer/common/helper_test.h"

namespace tint::spirv::writer {
namespace {

using namespace tint::core::fluent_types;     // NOLINT
using namespace tint::core::number_suffixes;  // NOLINT

TEST_F(SpirvWriterTest, Let_Constant) {
    auto* func = b.ComputeFunction("main");
    b.Append(func->Block(), [&] {
        b.Let("l", u32(42));
        b.Return(func);
    });

    auto result = Generate();
    ASSERT_EQ(result, Success) << result.Failure() << output_;
    EXPECT_INST("OpName %l \"l\"");
    EXPECT_INST("%l = OpConstant %uint 42");
}

TEST_F(SpirvWriterTest, Let_SharedConstant) {
    auto* func = b.ComputeFunction("main");
    b.Append(func->Block(), [&] {
        b.Let("l1", u32(42));
        b.Let("l2", u32(42));
        b.Return(func);
    });

    auto result = Generate();
    ASSERT_EQ(result, Success) << result.Failure() << output_;
    EXPECT_INST("OpName %l1 \"l1\"");
    EXPECT_INST("OpName %l1 \"l2\"");
    EXPECT_INST("%l1 = OpConstant %uint 42");
}

}  // namespace
}  // namespace tint::spirv::writer
