| // 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-spi.h" |
| |
| #include "src/tint/ast/id_attribute.h" |
| #include "src/tint/ast/test_helper.h" |
| |
| using namespace tint::number_suffixes; // NOLINT |
| |
| namespace tint::ast { |
| namespace { |
| |
| using VariableTest = TestHelper; |
| |
| TEST_F(VariableTest, Creation) { |
| auto* v = Var("my_var", ty.i32(), StorageClass::kFunction); |
| |
| EXPECT_EQ(v->symbol, Symbol(1, ID())); |
| EXPECT_EQ(v->declared_storage_class, StorageClass::kFunction); |
| EXPECT_TRUE(v->type->Is<ast::I32>()); |
| EXPECT_EQ(v->source.range.begin.line, 0u); |
| EXPECT_EQ(v->source.range.begin.column, 0u); |
| EXPECT_EQ(v->source.range.end.line, 0u); |
| EXPECT_EQ(v->source.range.end.column, 0u); |
| } |
| |
| TEST_F(VariableTest, CreationWithSource) { |
| auto* v = Var(Source{Source::Range{Source::Location{27, 4}, Source::Location{27, 5}}}, "i", |
| ty.f32(), StorageClass::kPrivate, utils::Empty); |
| |
| EXPECT_EQ(v->symbol, Symbol(1, ID())); |
| EXPECT_EQ(v->declared_storage_class, StorageClass::kPrivate); |
| EXPECT_TRUE(v->type->Is<ast::F32>()); |
| EXPECT_EQ(v->source.range.begin.line, 27u); |
| EXPECT_EQ(v->source.range.begin.column, 4u); |
| EXPECT_EQ(v->source.range.end.line, 27u); |
| EXPECT_EQ(v->source.range.end.column, 5u); |
| } |
| |
| TEST_F(VariableTest, CreationEmpty) { |
| auto* v = Var(Source{Source::Range{Source::Location{27, 4}, Source::Location{27, 7}}}, "a_var", |
| ty.i32(), StorageClass::kWorkgroup, utils::Empty); |
| |
| EXPECT_EQ(v->symbol, Symbol(1, ID())); |
| EXPECT_EQ(v->declared_storage_class, StorageClass::kWorkgroup); |
| EXPECT_TRUE(v->type->Is<ast::I32>()); |
| EXPECT_EQ(v->source.range.begin.line, 27u); |
| EXPECT_EQ(v->source.range.begin.column, 4u); |
| EXPECT_EQ(v->source.range.end.line, 27u); |
| EXPECT_EQ(v->source.range.end.column, 7u); |
| } |
| |
| TEST_F(VariableTest, Assert_MissingSymbol) { |
| EXPECT_FATAL_FAILURE( |
| { |
| ProgramBuilder b; |
| b.Var("", b.ty.i32()); |
| }, |
| "internal compiler error"); |
| } |
| |
| TEST_F(VariableTest, Assert_DifferentProgramID_Symbol) { |
| EXPECT_FATAL_FAILURE( |
| { |
| ProgramBuilder b1; |
| ProgramBuilder b2; |
| b1.Var(b2.Sym("x"), b1.ty.f32()); |
| }, |
| "internal compiler error"); |
| } |
| |
| TEST_F(VariableTest, Assert_DifferentProgramID_Constructor) { |
| EXPECT_FATAL_FAILURE( |
| { |
| ProgramBuilder b1; |
| ProgramBuilder b2; |
| b1.Var("x", b1.ty.f32(), b2.Expr(1.2_f)); |
| }, |
| "internal compiler error"); |
| } |
| |
| TEST_F(VariableTest, WithAttributes) { |
| auto* var = Var("my_var", ty.i32(), StorageClass::kFunction, Location(1_u), |
| Builtin(BuiltinValue::kPosition), Id(1200_u)); |
| |
| auto& attributes = var->attributes; |
| EXPECT_TRUE(ast::HasAttribute<ast::LocationAttribute>(attributes)); |
| EXPECT_TRUE(ast::HasAttribute<ast::BuiltinAttribute>(attributes)); |
| EXPECT_TRUE(ast::HasAttribute<ast::IdAttribute>(attributes)); |
| |
| auto* location = ast::GetAttribute<ast::LocationAttribute>(attributes); |
| ASSERT_NE(nullptr, location); |
| ASSERT_NE(nullptr, location->expr); |
| EXPECT_TRUE(location->expr->Is<ast::IntLiteralExpression>()); |
| } |
| |
| TEST_F(VariableTest, HasBindingPoint_BothProvided) { |
| auto* var = Var("my_var", ty.i32(), StorageClass::kFunction, Binding(2_a), Group(1_a)); |
| EXPECT_TRUE(var->HasBindingPoint()); |
| } |
| |
| TEST_F(VariableTest, HasBindingPoint_NeitherProvided) { |
| auto* var = Var("my_var", ty.i32(), StorageClass::kFunction, utils::Empty); |
| EXPECT_FALSE(var->HasBindingPoint()); |
| } |
| |
| TEST_F(VariableTest, HasBindingPoint_MissingGroupAttribute) { |
| auto* var = Var("my_var", ty.i32(), StorageClass::kFunction, Binding(2_a)); |
| EXPECT_FALSE(var->HasBindingPoint()); |
| } |
| |
| TEST_F(VariableTest, HasBindingPoint_MissingBindingAttribute) { |
| auto* var = Var("my_var", ty.i32(), StorageClass::kFunction, Group(1_a)); |
| EXPECT_FALSE(var->HasBindingPoint()); |
| } |
| |
| } // namespace |
| } // namespace tint::ast |