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b6d524380e
Bug: tint:1581 Change-Id: Ie77c56c15a5965b20008036cd99a81cbabd86988 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/100340 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Antonio Maiorano <amaiorano@google.com>
211 lines
9.4 KiB
C++
211 lines
9.4 KiB
C++
// Copyright 2021 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "src/tint/ast/bitcast_expression.h"
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#include "src/tint/resolver/resolver.h"
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#include "src/tint/resolver/resolver_test_helper.h"
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#include "gmock/gmock.h"
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namespace tint::resolver {
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namespace {
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struct Type {
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template <typename T>
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static constexpr Type Create() {
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return Type{builder::DataType<T>::AST, builder::DataType<T>::Sem,
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builder::DataType<T>::ExprFromDouble};
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}
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builder::ast_type_func_ptr ast;
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builder::sem_type_func_ptr sem;
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builder::ast_expr_from_double_func_ptr expr;
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};
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static constexpr Type kNumericScalars[] = {
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Type::Create<f32>(),
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Type::Create<i32>(),
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Type::Create<u32>(),
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};
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static constexpr Type kVec2NumericScalars[] = {
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Type::Create<builder::vec2<f32>>(),
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Type::Create<builder::vec2<i32>>(),
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Type::Create<builder::vec2<u32>>(),
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};
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static constexpr Type kVec3NumericScalars[] = {
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Type::Create<builder::vec3<f32>>(),
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Type::Create<builder::vec3<i32>>(),
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Type::Create<builder::vec3<u32>>(),
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};
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static constexpr Type kVec4NumericScalars[] = {
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Type::Create<builder::vec4<f32>>(),
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Type::Create<builder::vec4<i32>>(),
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Type::Create<builder::vec4<u32>>(),
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};
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static constexpr Type kInvalid[] = {
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// A non-exhaustive selection of uncastable types
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Type::Create<bool>(),
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Type::Create<builder::vec2<bool>>(),
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Type::Create<builder::vec3<bool>>(),
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Type::Create<builder::vec4<bool>>(),
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Type::Create<builder::array<2, i32>>(),
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Type::Create<builder::array<3, u32>>(),
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Type::Create<builder::array<4, f32>>(),
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Type::Create<builder::array<5, bool>>(),
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Type::Create<builder::mat2x2<f32>>(),
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Type::Create<builder::mat3x3<f32>>(),
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Type::Create<builder::mat4x4<f32>>(),
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Type::Create<builder::ptr<i32>>(),
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Type::Create<builder::ptr<builder::array<2, i32>>>(),
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Type::Create<builder::ptr<builder::mat2x2<f32>>>(),
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};
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using ResolverBitcastValidationTest = ResolverTestWithParam<std::tuple<Type, Type>>;
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////////////////////////////////////////////////////////////////////////////////
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// Valid bitcasts
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////////////////////////////////////////////////////////////////////////////////
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using ResolverBitcastValidationTestPass = ResolverBitcastValidationTest;
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TEST_P(ResolverBitcastValidationTestPass, Test) {
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auto src = std::get<0>(GetParam());
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auto dst = std::get<1>(GetParam());
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auto* cast = Bitcast(dst.ast(*this), src.expr(*this, 0));
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WrapInFunction(cast);
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ASSERT_TRUE(r()->Resolve()) << r()->error();
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EXPECT_EQ(TypeOf(cast), dst.sem(*this));
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}
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INSTANTIATE_TEST_SUITE_P(Scalars,
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ResolverBitcastValidationTestPass,
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testing::Combine(testing::ValuesIn(kNumericScalars),
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testing::ValuesIn(kNumericScalars)));
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INSTANTIATE_TEST_SUITE_P(Vec2,
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ResolverBitcastValidationTestPass,
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testing::Combine(testing::ValuesIn(kVec2NumericScalars),
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testing::ValuesIn(kVec2NumericScalars)));
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INSTANTIATE_TEST_SUITE_P(Vec3,
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ResolverBitcastValidationTestPass,
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testing::Combine(testing::ValuesIn(kVec3NumericScalars),
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testing::ValuesIn(kVec3NumericScalars)));
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INSTANTIATE_TEST_SUITE_P(Vec4,
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ResolverBitcastValidationTestPass,
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testing::Combine(testing::ValuesIn(kVec4NumericScalars),
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testing::ValuesIn(kVec4NumericScalars)));
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////////////////////////////////////////////////////////////////////////////////
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// Invalid source type for bitcasts
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////////////////////////////////////////////////////////////////////////////////
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using ResolverBitcastValidationTestInvalidSrcTy = ResolverBitcastValidationTest;
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TEST_P(ResolverBitcastValidationTestInvalidSrcTy, Test) {
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auto src = std::get<0>(GetParam());
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auto dst = std::get<1>(GetParam());
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auto* cast = Bitcast(dst.ast(*this), Expr(Source{{12, 34}}, "src"));
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WrapInFunction(Let("src", src.expr(*this, 0)), cast);
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auto expected =
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"12:34 error: '" + src.sem(*this)->FriendlyName(Symbols()) + "' cannot be bitcast";
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EXPECT_FALSE(r()->Resolve());
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EXPECT_EQ(r()->error(), expected);
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}
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INSTANTIATE_TEST_SUITE_P(Scalars,
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ResolverBitcastValidationTestInvalidSrcTy,
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testing::Combine(testing::ValuesIn(kInvalid),
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testing::ValuesIn(kNumericScalars)));
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INSTANTIATE_TEST_SUITE_P(Vec2,
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ResolverBitcastValidationTestInvalidSrcTy,
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testing::Combine(testing::ValuesIn(kInvalid),
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testing::ValuesIn(kVec2NumericScalars)));
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INSTANTIATE_TEST_SUITE_P(Vec3,
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ResolverBitcastValidationTestInvalidSrcTy,
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testing::Combine(testing::ValuesIn(kInvalid),
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testing::ValuesIn(kVec3NumericScalars)));
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INSTANTIATE_TEST_SUITE_P(Vec4,
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ResolverBitcastValidationTestInvalidSrcTy,
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testing::Combine(testing::ValuesIn(kInvalid),
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testing::ValuesIn(kVec4NumericScalars)));
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////////////////////////////////////////////////////////////////////////////////
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// Invalid target type for bitcasts
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////////////////////////////////////////////////////////////////////////////////
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using ResolverBitcastValidationTestInvalidDstTy = ResolverBitcastValidationTest;
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TEST_P(ResolverBitcastValidationTestInvalidDstTy, Test) {
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auto src = std::get<0>(GetParam());
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auto dst = std::get<1>(GetParam());
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// Use an alias so we can put a Source on the bitcast type
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Alias("T", dst.ast(*this));
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WrapInFunction(Bitcast(ty.type_name(Source{{12, 34}}, "T"), src.expr(*this, 0)));
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auto expected =
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"12:34 error: cannot bitcast to '" + dst.sem(*this)->FriendlyName(Symbols()) + "'";
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EXPECT_FALSE(r()->Resolve());
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EXPECT_EQ(r()->error(), expected);
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}
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INSTANTIATE_TEST_SUITE_P(Scalars,
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ResolverBitcastValidationTestInvalidDstTy,
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testing::Combine(testing::ValuesIn(kNumericScalars),
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testing::ValuesIn(kInvalid)));
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INSTANTIATE_TEST_SUITE_P(Vec2,
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ResolverBitcastValidationTestInvalidDstTy,
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testing::Combine(testing::ValuesIn(kVec2NumericScalars),
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testing::ValuesIn(kInvalid)));
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INSTANTIATE_TEST_SUITE_P(Vec3,
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ResolverBitcastValidationTestInvalidDstTy,
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testing::Combine(testing::ValuesIn(kVec3NumericScalars),
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testing::ValuesIn(kInvalid)));
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INSTANTIATE_TEST_SUITE_P(Vec4,
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ResolverBitcastValidationTestInvalidDstTy,
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testing::Combine(testing::ValuesIn(kVec4NumericScalars),
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testing::ValuesIn(kInvalid)));
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////////////////////////////////////////////////////////////////////////////////
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// Incompatible bitcast, but both src and dst types are valid
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////////////////////////////////////////////////////////////////////////////////
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using ResolverBitcastValidationTestIncompatible = ResolverBitcastValidationTest;
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TEST_P(ResolverBitcastValidationTestIncompatible, Test) {
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auto src = std::get<0>(GetParam());
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auto dst = std::get<1>(GetParam());
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WrapInFunction(Bitcast(Source{{12, 34}}, dst.ast(*this), src.expr(*this, 0)));
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auto expected = "12:34 error: cannot bitcast from '" + src.sem(*this)->FriendlyName(Symbols()) +
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"' to '" + dst.sem(*this)->FriendlyName(Symbols()) + "'";
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EXPECT_FALSE(r()->Resolve());
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EXPECT_EQ(r()->error(), expected);
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}
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INSTANTIATE_TEST_SUITE_P(ScalarToVec2,
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ResolverBitcastValidationTestIncompatible,
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testing::Combine(testing::ValuesIn(kNumericScalars),
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testing::ValuesIn(kVec2NumericScalars)));
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INSTANTIATE_TEST_SUITE_P(Vec2ToVec3,
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ResolverBitcastValidationTestIncompatible,
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testing::Combine(testing::ValuesIn(kVec2NumericScalars),
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testing::ValuesIn(kVec3NumericScalars)));
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INSTANTIATE_TEST_SUITE_P(Vec3ToVec4,
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ResolverBitcastValidationTestIncompatible,
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testing::Combine(testing::ValuesIn(kVec3NumericScalars),
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testing::ValuesIn(kVec4NumericScalars)));
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INSTANTIATE_TEST_SUITE_P(Vec4ToScalar,
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ResolverBitcastValidationTestIncompatible,
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testing::Combine(testing::ValuesIn(kVec4NumericScalars),
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testing::ValuesIn(kNumericScalars)));
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} // namespace
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} // namespace tint::resolver
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