| // 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, GlobalVariableDecl_WithoutConstructor) { |
| auto p = parser("var<private> a : f32"); |
| auto attrs = p->attribute_list(); |
| EXPECT_FALSE(attrs.errored); |
| EXPECT_FALSE(attrs.matched); |
| auto e = p->global_variable_decl(attrs.value); |
| ASSERT_FALSE(p->has_error()) << p->error(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| ASSERT_NE(e.value, nullptr); |
| |
| EXPECT_EQ(e->symbol, p->builder().Symbols().Get("a")); |
| EXPECT_TRUE(e->type->Is<ast::F32>()); |
| EXPECT_EQ(e->declared_storage_class, ast::StorageClass::kPrivate); |
| |
| EXPECT_EQ(e->source.range.begin.line, 1u); |
| EXPECT_EQ(e->source.range.begin.column, 14u); |
| EXPECT_EQ(e->source.range.end.line, 1u); |
| EXPECT_EQ(e->source.range.end.column, 15u); |
| |
| ASSERT_EQ(e->constructor, nullptr); |
| } |
| |
| TEST_F(ParserImplTest, GlobalVariableDecl_WithConstructor) { |
| auto p = parser("var<private> a : f32 = 1."); |
| auto attrs = p->attribute_list(); |
| EXPECT_FALSE(attrs.errored); |
| EXPECT_FALSE(attrs.matched); |
| auto e = p->global_variable_decl(attrs.value); |
| ASSERT_FALSE(p->has_error()) << p->error(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| ASSERT_NE(e.value, nullptr); |
| |
| EXPECT_EQ(e->symbol, p->builder().Symbols().Get("a")); |
| EXPECT_TRUE(e->type->Is<ast::F32>()); |
| EXPECT_EQ(e->declared_storage_class, ast::StorageClass::kPrivate); |
| |
| EXPECT_EQ(e->source.range.begin.line, 1u); |
| EXPECT_EQ(e->source.range.begin.column, 14u); |
| EXPECT_EQ(e->source.range.end.line, 1u); |
| EXPECT_EQ(e->source.range.end.column, 15u); |
| |
| ASSERT_NE(e->constructor, nullptr); |
| ASSERT_TRUE(e->constructor->Is<ast::FloatLiteralExpression>()); |
| } |
| |
| TEST_F(ParserImplTest, GlobalVariableDecl_WithAttribute) { |
| auto p = parser("@binding(2) @group(1) var<uniform> a : f32"); |
| auto attrs = p->attribute_list(); |
| EXPECT_FALSE(attrs.errored); |
| EXPECT_TRUE(attrs.matched); |
| auto e = p->global_variable_decl(attrs.value); |
| ASSERT_FALSE(p->has_error()) << p->error(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| ASSERT_NE(e.value, nullptr); |
| |
| EXPECT_EQ(e->symbol, p->builder().Symbols().Get("a")); |
| ASSERT_NE(e->type, nullptr); |
| EXPECT_TRUE(e->type->Is<ast::F32>()); |
| EXPECT_EQ(e->declared_storage_class, ast::StorageClass::kUniform); |
| |
| EXPECT_EQ(e->source.range.begin.line, 1u); |
| EXPECT_EQ(e->source.range.begin.column, 36u); |
| EXPECT_EQ(e->source.range.end.line, 1u); |
| EXPECT_EQ(e->source.range.end.column, 37u); |
| |
| ASSERT_EQ(e->constructor, nullptr); |
| |
| auto& attributes = e->attributes; |
| ASSERT_EQ(attributes.size(), 2u); |
| ASSERT_TRUE(attributes[0]->Is<ast::BindingAttribute>()); |
| ASSERT_TRUE(attributes[1]->Is<ast::GroupAttribute>()); |
| } |
| |
| TEST_F(ParserImplTest, GlobalVariableDecl_WithAttribute_MulitpleGroups) { |
| auto p = parser("@binding(2) @group(1) var<uniform> a : f32"); |
| auto attrs = p->attribute_list(); |
| EXPECT_FALSE(attrs.errored); |
| EXPECT_TRUE(attrs.matched); |
| |
| auto e = p->global_variable_decl(attrs.value); |
| ASSERT_FALSE(p->has_error()) << p->error(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| ASSERT_NE(e.value, nullptr); |
| |
| EXPECT_EQ(e->symbol, p->builder().Symbols().Get("a")); |
| ASSERT_NE(e->type, nullptr); |
| EXPECT_TRUE(e->type->Is<ast::F32>()); |
| EXPECT_EQ(e->declared_storage_class, ast::StorageClass::kUniform); |
| |
| EXPECT_EQ(e->source.range.begin.line, 1u); |
| EXPECT_EQ(e->source.range.begin.column, 36u); |
| EXPECT_EQ(e->source.range.end.line, 1u); |
| EXPECT_EQ(e->source.range.end.column, 37u); |
| |
| ASSERT_EQ(e->constructor, nullptr); |
| |
| auto& attributes = e->attributes; |
| ASSERT_EQ(attributes.size(), 2u); |
| ASSERT_TRUE(attributes[0]->Is<ast::BindingAttribute>()); |
| ASSERT_TRUE(attributes[1]->Is<ast::GroupAttribute>()); |
| } |
| |
| TEST_F(ParserImplTest, GlobalVariableDecl_InvalidAttribute) { |
| auto p = parser("@binding() var<uniform> a : f32"); |
| auto attrs = p->attribute_list(); |
| EXPECT_TRUE(attrs.errored); |
| EXPECT_FALSE(attrs.matched); |
| |
| auto e = p->global_variable_decl(attrs.value); |
| EXPECT_FALSE(e.errored); |
| EXPECT_TRUE(e.matched); |
| EXPECT_NE(e.value, nullptr); |
| |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:10: expected signed integer literal for binding attribute"); |
| } |
| |
| TEST_F(ParserImplTest, GlobalVariableDecl_InvalidConstExpr) { |
| auto p = parser("var<private> a : f32 = if (a) {}"); |
| auto attrs = p->attribute_list(); |
| EXPECT_FALSE(attrs.errored); |
| EXPECT_FALSE(attrs.matched); |
| auto e = p->global_variable_decl(attrs.value); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_TRUE(e.errored); |
| EXPECT_FALSE(e.matched); |
| EXPECT_EQ(e.value, nullptr); |
| EXPECT_EQ(p->error(), "1:24: invalid type for const_expr"); |
| } |
| |
| TEST_F(ParserImplTest, GlobalVariableDecl_InvalidVariableDecl) { |
| auto p = parser("var<invalid> a : f32;"); |
| auto attrs = p->attribute_list(); |
| EXPECT_FALSE(attrs.errored); |
| EXPECT_FALSE(attrs.matched); |
| auto e = p->global_variable_decl(attrs.value); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_TRUE(e.errored); |
| EXPECT_FALSE(e.matched); |
| EXPECT_EQ(e.value, nullptr); |
| EXPECT_EQ(p->error(), "1:5: invalid storage class for variable declaration"); |
| } |
| |
| } // namespace |
| } // namespace tint::reader::wgsl |