| // 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 "src/tint/reader/wgsl/parser_impl_test_helper.h" |
| |
| namespace tint::reader::wgsl { |
| namespace { |
| |
| TEST_F(ParserImplTest, Attribute_Location) { |
| auto p = parser("location(4)"); |
| auto attr = p->attribute(); |
| EXPECT_TRUE(attr.matched); |
| EXPECT_FALSE(attr.errored); |
| ASSERT_NE(attr.value, nullptr); |
| auto* var_attr = attr.value->As<ast::Attribute>(); |
| ASSERT_NE(var_attr, nullptr); |
| ASSERT_FALSE(p->has_error()); |
| ASSERT_TRUE(var_attr->Is<ast::LocationAttribute>()); |
| |
| auto* loc = var_attr->As<ast::LocationAttribute>(); |
| EXPECT_EQ(loc->value, 4u); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Location_MissingLeftParen) { |
| auto p = parser("location 4)"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:10: expected '(' for location attribute"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Location_MissingRightParen) { |
| auto p = parser("location(4"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:11: expected ')' for location attribute"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Location_MissingValue) { |
| auto p = parser("location()"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:10: expected signed integer literal for location attribute"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Location_MissingInvalid) { |
| auto p = parser("location(nan)"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:10: expected signed integer literal for location attribute"); |
| } |
| |
| 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 ParserImplTestWithParam<BuiltinData> {}; |
| |
| TEST_P(BuiltinTest, Attribute_Builtin) { |
| auto params = GetParam(); |
| auto p = parser(std::string("builtin(") + params.input + ")"); |
| |
| auto attr = p->attribute(); |
| EXPECT_TRUE(attr.matched); |
| EXPECT_FALSE(attr.errored); |
| ASSERT_NE(attr.value, nullptr); |
| auto* var_attr = attr.value->As<ast::Attribute>(); |
| ASSERT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(var_attr, nullptr); |
| ASSERT_TRUE(var_attr->Is<ast::BuiltinAttribute>()); |
| |
| auto* builtin = var_attr->As<ast::BuiltinAttribute>(); |
| EXPECT_EQ(builtin->builtin, params.result); |
| } |
| INSTANTIATE_TEST_SUITE_P( |
| ParserImplTest, |
| BuiltinTest, |
| testing::Values(BuiltinData{"position", ast::Builtin::kPosition}, |
| BuiltinData{"vertex_index", ast::Builtin::kVertexIndex}, |
| BuiltinData{"instance_index", ast::Builtin::kInstanceIndex}, |
| BuiltinData{"front_facing", ast::Builtin::kFrontFacing}, |
| BuiltinData{"frag_depth", ast::Builtin::kFragDepth}, |
| BuiltinData{"local_invocation_id", ast::Builtin::kLocalInvocationId}, |
| BuiltinData{"local_invocation_idx", ast::Builtin::kLocalInvocationIndex}, |
| BuiltinData{"local_invocation_index", ast::Builtin::kLocalInvocationIndex}, |
| BuiltinData{"global_invocation_id", ast::Builtin::kGlobalInvocationId}, |
| BuiltinData{"workgroup_id", ast::Builtin::kWorkgroupId}, |
| BuiltinData{"num_workgroups", ast::Builtin::kNumWorkgroups}, |
| BuiltinData{"sample_index", ast::Builtin::kSampleIndex}, |
| BuiltinData{"sample_mask", ast::Builtin::kSampleMask})); |
| |
| TEST_F(ParserImplTest, Attribute_Builtin_MissingLeftParen) { |
| auto p = parser("builtin position)"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:9: expected '(' for builtin attribute"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Builtin_MissingRightParen) { |
| auto p = parser("builtin(position"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:17: expected ')' for builtin attribute"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Builtin_MissingValue) { |
| auto p = parser("builtin()"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:9: expected identifier for builtin"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Builtin_InvalidValue) { |
| auto p = parser("builtin(other_thingy)"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:9: invalid value for builtin attribute"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Builtin_MissingInvalid) { |
| auto p = parser("builtin(3)"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:9: expected identifier for builtin"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Interpolate_Flat) { |
| auto p = parser("interpolate(flat)"); |
| auto attr = p->attribute(); |
| EXPECT_TRUE(attr.matched); |
| EXPECT_FALSE(attr.errored); |
| ASSERT_NE(attr.value, nullptr); |
| auto* var_attr = attr.value->As<ast::Attribute>(); |
| ASSERT_NE(var_attr, nullptr); |
| ASSERT_FALSE(p->has_error()); |
| ASSERT_TRUE(var_attr->Is<ast::InterpolateAttribute>()); |
| |
| auto* interp = var_attr->As<ast::InterpolateAttribute>(); |
| EXPECT_EQ(interp->type, ast::InterpolationType::kFlat); |
| EXPECT_EQ(interp->sampling, ast::InterpolationSampling::kNone); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Interpolate_Perspective_Center) { |
| auto p = parser("interpolate(perspective, center)"); |
| auto attr = p->attribute(); |
| EXPECT_TRUE(attr.matched); |
| EXPECT_FALSE(attr.errored); |
| ASSERT_NE(attr.value, nullptr); |
| auto* var_attr = attr.value->As<ast::Attribute>(); |
| ASSERT_NE(var_attr, nullptr); |
| ASSERT_FALSE(p->has_error()); |
| ASSERT_TRUE(var_attr->Is<ast::InterpolateAttribute>()); |
| |
| auto* interp = var_attr->As<ast::InterpolateAttribute>(); |
| EXPECT_EQ(interp->type, ast::InterpolationType::kPerspective); |
| EXPECT_EQ(interp->sampling, ast::InterpolationSampling::kCenter); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Interpolate_Perspective_Centroid) { |
| auto p = parser("interpolate(perspective, centroid)"); |
| auto attr = p->attribute(); |
| EXPECT_TRUE(attr.matched); |
| EXPECT_FALSE(attr.errored); |
| ASSERT_NE(attr.value, nullptr); |
| auto* var_attr = attr.value->As<ast::Attribute>(); |
| ASSERT_NE(var_attr, nullptr); |
| ASSERT_FALSE(p->has_error()); |
| ASSERT_TRUE(var_attr->Is<ast::InterpolateAttribute>()); |
| |
| auto* interp = var_attr->As<ast::InterpolateAttribute>(); |
| EXPECT_EQ(interp->type, ast::InterpolationType::kPerspective); |
| EXPECT_EQ(interp->sampling, ast::InterpolationSampling::kCentroid); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Interpolate_Linear_Sample) { |
| auto p = parser("interpolate(linear, sample)"); |
| auto attr = p->attribute(); |
| EXPECT_TRUE(attr.matched); |
| EXPECT_FALSE(attr.errored); |
| ASSERT_NE(attr.value, nullptr); |
| auto* var_attr = attr.value->As<ast::Attribute>(); |
| ASSERT_NE(var_attr, nullptr); |
| ASSERT_FALSE(p->has_error()); |
| ASSERT_TRUE(var_attr->Is<ast::InterpolateAttribute>()); |
| |
| auto* interp = var_attr->As<ast::InterpolateAttribute>(); |
| EXPECT_EQ(interp->type, ast::InterpolationType::kLinear); |
| EXPECT_EQ(interp->sampling, ast::InterpolationSampling::kSample); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Interpolate_MissingLeftParen) { |
| auto p = parser("interpolate flat)"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:13: expected '(' for interpolate attribute"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Interpolate_MissingRightParen) { |
| auto p = parser("interpolate(flat"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:17: expected ')' for interpolate attribute"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Interpolate_MissingFirstValue) { |
| auto p = parser("interpolate()"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:13: invalid interpolation type"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Interpolate_InvalidFirstValue) { |
| auto p = parser("interpolate(other_thingy)"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:13: invalid interpolation type"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Interpolate_MissingSecondValue) { |
| auto p = parser("interpolate(perspective,)"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:25: invalid interpolation sampling"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Interpolate_InvalidSecondValue) { |
| auto p = parser("interpolate(perspective, nope)"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:26: invalid interpolation sampling"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Binding) { |
| auto p = parser("binding(4)"); |
| auto attr = p->attribute(); |
| EXPECT_TRUE(attr.matched); |
| EXPECT_FALSE(attr.errored); |
| ASSERT_NE(attr.value, nullptr); |
| auto* var_attr = attr.value->As<ast::Attribute>(); |
| ASSERT_NE(var_attr, nullptr); |
| ASSERT_FALSE(p->has_error()); |
| ASSERT_TRUE(var_attr->Is<ast::BindingAttribute>()); |
| |
| auto* binding = var_attr->As<ast::BindingAttribute>(); |
| EXPECT_EQ(binding->value, 4u); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Binding_MissingLeftParen) { |
| auto p = parser("binding 4)"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:9: expected '(' for binding attribute"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Binding_MissingRightParen) { |
| auto p = parser("binding(4"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:10: expected ')' for binding attribute"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Binding_MissingValue) { |
| auto p = parser("binding()"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:9: expected signed integer literal for binding attribute"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Binding_MissingInvalid) { |
| auto p = parser("binding(nan)"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:9: expected signed integer literal for binding attribute"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_group) { |
| auto p = parser("group(4)"); |
| auto attr = p->attribute(); |
| EXPECT_TRUE(attr.matched); |
| EXPECT_FALSE(attr.errored); |
| ASSERT_NE(attr.value, nullptr); |
| auto* var_attr = attr.value->As<ast::Attribute>(); |
| ASSERT_FALSE(p->has_error()); |
| ASSERT_NE(var_attr, nullptr); |
| ASSERT_TRUE(var_attr->Is<ast::GroupAttribute>()); |
| |
| auto* group = var_attr->As<ast::GroupAttribute>(); |
| EXPECT_EQ(group->value, 4u); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Group_MissingLeftParen) { |
| auto p = parser("group 2)"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:7: expected '(' for group attribute"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Group_MissingRightParen) { |
| auto p = parser("group(2"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:8: expected ')' for group attribute"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Group_MissingValue) { |
| auto p = parser("group()"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:7: expected signed integer literal for group attribute"); |
| } |
| |
| TEST_F(ParserImplTest, Attribute_Group_MissingInvalid) { |
| auto p = parser("group(nan)"); |
| auto attr = p->attribute(); |
| EXPECT_FALSE(attr.matched); |
| EXPECT_TRUE(attr.errored); |
| EXPECT_EQ(attr.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:7: expected signed integer literal for group attribute"); |
| } |
| |
| } // namespace |
| } // namespace tint::reader::wgsl |