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#include "src/tint/lang/glsl/ir/ternary.h"

#include "gmock/gmock.h"
#include "src/tint/lang/core/ir/ir_helper_test.h"

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

namespace tint::glsl::ir {
namespace {

using HlslIRTest = core::ir::IRTestHelper;
using HlslIRDeathTest = HlslIRTest;

TEST_F(HlslIRTest, SetsUsage) {
    auto* true_ = b.Constant(u32(1));
    auto* false_ = b.Constant(u32(2));
    auto* cmp = b.Constant(true);

    Vector<core::ir::Value*, 3> args = {false_, true_, cmp};
    auto* t = b.ir.CreateInstruction<Ternary>(b.InstructionResult(ty.u32()), args);

    EXPECT_THAT(false_->UsagesUnsorted(), testing::UnorderedElementsAre(core::ir::Usage{t, 0u}));
    EXPECT_THAT(true_->UsagesUnsorted(), testing::UnorderedElementsAre(core::ir::Usage{t, 1u}));
    EXPECT_THAT(cmp->UsagesUnsorted(), testing::UnorderedElementsAre(core::ir::Usage{t, 2u}));
}

TEST_F(HlslIRTest, Result) {
    auto* true_ = b.Constant(u32(1));
    auto* false_ = b.Constant(u32(2));
    auto* cmp = b.Constant(true);

    Vector<core::ir::Value*, 3> args = {false_, true_, cmp};
    auto* t = b.ir.CreateInstruction<Ternary>(b.InstructionResult(ty.u32()), args);

    EXPECT_EQ(t->Results().Length(), 1u);

    EXPECT_TRUE(t->Result(0)->Is<core::ir::InstructionResult>());
    EXPECT_EQ(t, t->Result(0)->Instruction());
}

TEST_F(HlslIRTest, Clone) {
    auto* true_ = b.Constant(u32(1));
    auto* false_ = b.Constant(u32(2));
    auto* cmp = b.Constant(true);

    Vector<core::ir::Value*, 3> args = {false_, true_, cmp};
    auto* t = b.ir.CreateInstruction<Ternary>(b.InstructionResult(ty.u32()), args);

    auto* new_t = clone_ctx.Clone(t);

    EXPECT_NE(t, new_t);

    EXPECT_NE(t->Result(0), new_t->Result(0));
    EXPECT_EQ(ty.u32(), new_t->Result(0)->Type());

    EXPECT_NE(nullptr, new_t->True());
    EXPECT_EQ(t->True(), new_t->True());

    EXPECT_NE(nullptr, new_t->False());
    EXPECT_EQ(t->False(), new_t->False());

    EXPECT_NE(nullptr, new_t->Cmp());
    EXPECT_EQ(t->Cmp(), new_t->Cmp());
}

}  // namespace
}  // namespace tint::glsl::ir