// Copyright 2021 The Dawn & Tint Authors
//
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// 1. Redistributions of source code must retain the above copyright notice, this
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//    this list of conditions and the following disclaimer in the documentation
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#include "src/tint/utils/ice/ice.h"

#include "gtest/gtest.h"

namespace tint {
namespace {

TEST(ICETest_DeathTest, Unimplemented) {
    EXPECT_DEATH_IF_SUPPORTED(
        {
            if ((true)) {
                TINT_UNIMPLEMENTED();
            }
        },
        "ice_test.cc:.* internal compiler error: TINT_UNIMPLEMENTED");
}

TEST(ICETest_DeathTest, Unreachable) {
    EXPECT_DEATH_IF_SUPPORTED(
        {
            if ((true)) {
                TINT_UNREACHABLE();
            }
        },
        "ice_test.cc:.* internal compiler error: TINT_UNREACHABLE");
}

TEST(ICETest, AssertTrue) {
    TINT_ASSERT(true);
}

TEST(ICETest_DeathTest, AssertFalse) {
    EXPECT_DEATH_IF_SUPPORTED(
        {
            if ((true)) {
                TINT_ASSERT(false);
            }
        },
        "ice_test.cc:.* internal compiler error: TINT_ASSERT.false.");
}

TEST(ICETest_DeathTest, AssertFalse_WithCustomMessage) {
    EXPECT_DEATH_IF_SUPPORTED(
        {
            if ((true)) {
                TINT_ASSERT(false) << "custom message " << 123;
            }
        },
        "ice_test.cc:.* internal compiler error: TINT_ASSERT.false. custom message 123");
}

TEST(ICETest_DeathTest, AssertFalse_WithCallback) {
    uint32_t data = 42;
    InternalCompilerErrorCallbackInfo callback{
        .callback =
            [](std::string err, void* userdata) {
                std::cerr << "callback called with " << *static_cast<uint32_t*>(userdata) << err;
            },
        .userdata = &data,
    };
    EXPECT_DEATH_IF_SUPPORTED(
        {
            if ((true)) {
                TINT_ASSERT(false, callback);
            }
        },
        "callback called with 42.*ice_test.cc:.* internal compiler error: TINT_ASSERT.false.");
}

TEST(ICETest_DeathTest, ICE) {
    EXPECT_DEATH_IF_SUPPORTED(
        {
            if ((true)) {
                TINT_ICE() << "custom message " << 123;
            }
        },
        "ice_test.cc:.* internal compiler error: custom message 123");
}

TEST(ICETest_DeathTest, ICE_WithCallback) {
    uint32_t data = 42;
    InternalCompilerErrorCallbackInfo callback{
        .callback =
            [](std::string err, void* userdata) {
                std::cerr << "callback called with " << *static_cast<uint32_t*>(userdata) << err;
            },
        .userdata = &data,
    };
    EXPECT_DEATH_IF_SUPPORTED(
        {
            if ((true)) {
                TINT_ICE(callback) << "custom message " << 123;
            }
        },
        "callback called with 42.*ice_test.cc:.* internal compiler error: custom message 123");
}

}  // namespace
}  // namespace tint