// Copyright 2023 The Dawn & Tint Authors
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#include "gtest/gtest.h"
#include "spirv/unified1/spirv.h"
#include "src/tint/lang/spirv/writer/common/spv_dump_test.h"

namespace tint::spirv::writer {
namespace {

using SpirvWriterModuleTest = testing::Test;

TEST_F(SpirvWriterModuleTest, TracksIdBounds) {
    Module m;

    for (size_t i = 0; i < 5; i++) {
        EXPECT_EQ(m.NextId(), i + 1);
    }

    EXPECT_EQ(6u, m.IdBound());
}

TEST_F(SpirvWriterModuleTest, Capabilities_Dedup) {
    Module m;

    m.PushCapability(SpvCapabilityShader);
    m.PushCapability(SpvCapabilityShader);
    m.PushCapability(SpvCapabilityShader);

    EXPECT_EQ(DumpInstructions(m.Capabilities()), "OpCapability Shader\n");
}

TEST_F(SpirvWriterModuleTest, DeclareExtension) {
    Module m;

    m.PushExtension("SPV_KHR_integer_dot_product");

    EXPECT_EQ(DumpInstructions(m.Extensions()), "OpExtension \"SPV_KHR_integer_dot_product\"\n");
}

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