| // Copyright 2020 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "gtest/gtest.h" |
| #include "src/ast/binding_decoration.h" |
| #include "src/ast/builtin_decoration.h" |
| #include "src/ast/location_decoration.h" |
| #include "src/ast/set_decoration.h" |
| #include "src/reader/wgsl/parser_impl.h" |
| #include "src/reader/wgsl/parser_impl_test_helper.h" |
| |
| namespace tint { |
| namespace reader { |
| namespace wgsl { |
| namespace { |
| |
| TEST_F(ParserImplTest, VariableDecoration_Location) { |
| auto* p = parser("location 4"); |
| auto deco = p->variable_decoration(); |
| ASSERT_NE(deco, nullptr); |
| ASSERT_FALSE(p->has_error()); |
| ASSERT_TRUE(deco->IsLocation()); |
| |
| auto* loc = deco->AsLocation(); |
| EXPECT_EQ(loc->value(), 4u); |
| } |
| |
| TEST_F(ParserImplTest, VariableDecoration_Location_MissingValue) { |
| auto* p = parser("location"); |
| auto deco = p->variable_decoration(); |
| ASSERT_EQ(deco, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:9: invalid value for location decoration"); |
| } |
| |
| TEST_F(ParserImplTest, VariableDecoration_Location_MissingInvalid) { |
| auto* p = parser("location nan"); |
| auto deco = p->variable_decoration(); |
| ASSERT_EQ(deco, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:10: invalid value for location decoration"); |
| } |
| |
| struct BuiltinData { |
| const char* input; |
| ast::Builtin result; |
| }; |
| inline std::ostream& operator<<(std::ostream& out, BuiltinData data) { |
| out << std::string(data.input); |
| return out; |
| } |
| class BuiltinTest : public testing::TestWithParam<BuiltinData> { |
| public: |
| BuiltinTest() = default; |
| ~BuiltinTest() override = default; |
| |
| void SetUp() override { ctx_.Reset(); } |
| |
| void TearDown() override { impl_ = nullptr; } |
| |
| ParserImpl* parser(const std::string& str) { |
| impl_ = std::make_unique<ParserImpl>(&ctx_, str); |
| return impl_.get(); |
| } |
| |
| private: |
| std::unique_ptr<ParserImpl> impl_; |
| Context ctx_; |
| }; |
| |
| TEST_P(BuiltinTest, VariableDecoration_Builtin) { |
| auto params = GetParam(); |
| auto* p = parser(std::string("builtin ") + params.input); |
| |
| auto deco = p->variable_decoration(); |
| ASSERT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(deco, nullptr); |
| ASSERT_TRUE(deco->IsBuiltin()); |
| |
| auto* builtin = deco->AsBuiltin(); |
| EXPECT_EQ(builtin->value(), params.result); |
| } |
| INSTANTIATE_TEST_SUITE_P( |
| ParserImplTest, |
| BuiltinTest, |
| testing::Values( |
| BuiltinData{"position", ast::Builtin::kPosition}, |
| BuiltinData{"vertex_idx", ast::Builtin::kVertexIdx}, |
| BuiltinData{"instance_idx", ast::Builtin::kInstanceIdx}, |
| BuiltinData{"front_facing", ast::Builtin::kFrontFacing}, |
| BuiltinData{"frag_coord", ast::Builtin::kFragCoord}, |
| BuiltinData{"frag_depth", ast::Builtin::kFragDepth}, |
| BuiltinData{"num_workgroups", ast::Builtin::kNumWorkgroups}, |
| BuiltinData{"workgroup_size", ast::Builtin::kWorkgroupSize}, |
| BuiltinData{"local_invocation_id", ast::Builtin::kLocalInvocationId}, |
| BuiltinData{"local_invocation_idx", ast::Builtin::kLocalInvocationIdx}, |
| BuiltinData{"global_invocation_id", |
| ast::Builtin::kGlobalInvocationId})); |
| |
| TEST_F(ParserImplTest, VariableDecoration_Builtin_MissingValue) { |
| auto* p = parser("builtin"); |
| auto deco = p->variable_decoration(); |
| ASSERT_EQ(deco, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:8: expected identifier for builtin"); |
| } |
| |
| TEST_F(ParserImplTest, VariableDecoration_Builtin_InvalidValue) { |
| auto* p = parser("builtin other_thingy"); |
| auto deco = p->variable_decoration(); |
| ASSERT_EQ(deco, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:9: invalid value for builtin decoration"); |
| } |
| |
| TEST_F(ParserImplTest, VariableDecoration_Builtin_MissingInvalid) { |
| auto* p = parser("builtin 3"); |
| auto deco = p->variable_decoration(); |
| ASSERT_EQ(deco, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:9: expected identifier for builtin"); |
| } |
| |
| TEST_F(ParserImplTest, VariableDecoration_Binding) { |
| auto* p = parser("binding 4"); |
| auto deco = p->variable_decoration(); |
| ASSERT_NE(deco, nullptr); |
| ASSERT_FALSE(p->has_error()); |
| ASSERT_TRUE(deco->IsBinding()); |
| |
| auto* binding = deco->AsBinding(); |
| EXPECT_EQ(binding->value(), 4u); |
| } |
| |
| TEST_F(ParserImplTest, VariableDecoration_Binding_MissingValue) { |
| auto* p = parser("binding"); |
| auto deco = p->variable_decoration(); |
| ASSERT_EQ(deco, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:8: invalid value for binding decoration"); |
| } |
| |
| TEST_F(ParserImplTest, VariableDecoration_Binding_MissingInvalid) { |
| auto* p = parser("binding nan"); |
| auto deco = p->variable_decoration(); |
| ASSERT_EQ(deco, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:9: invalid value for binding decoration"); |
| } |
| |
| TEST_F(ParserImplTest, VariableDecoration_set) { |
| auto* p = parser("set 4"); |
| auto deco = p->variable_decoration(); |
| ASSERT_FALSE(p->has_error()); |
| ASSERT_NE(deco.get(), nullptr); |
| ASSERT_TRUE(deco->IsSet()); |
| |
| auto* set = deco->AsSet(); |
| EXPECT_EQ(set->value(), 4u); |
| } |
| |
| TEST_F(ParserImplTest, VariableDecoration_Set_MissingValue) { |
| auto* p = parser("set"); |
| auto deco = p->variable_decoration(); |
| ASSERT_EQ(deco, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:4: invalid value for set decoration"); |
| } |
| |
| TEST_F(ParserImplTest, VariableDecoration_Set_MissingInvalid) { |
| auto* p = parser("set nan"); |
| auto deco = p->variable_decoration(); |
| ASSERT_EQ(deco, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:5: invalid value for set decoration"); |
| } |
| |
| } // namespace |
| } // namespace wgsl |
| } // namespace reader |
| } // namespace tint |