120 lines
2.9 KiB
C++
120 lines
2.9 KiB
C++
// Copyright 2020 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/ast/variable.h"
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#include "gtest/gtest.h"
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#include "src/ast/identifier_expression.h"
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#include "src/ast/type/f32_type.h"
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#include "src/ast/type/i32_type.h"
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namespace tint {
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namespace ast {
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namespace {
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using VariableTest = testing::Test;
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TEST_F(VariableTest, Creation) {
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type::I32Type t;
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Variable v("my_var", StorageClass::kFunction, &t);
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EXPECT_EQ(v.name(), "my_var");
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EXPECT_EQ(v.storage_class(), StorageClass::kFunction);
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EXPECT_EQ(v.type(), &t);
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EXPECT_EQ(v.line(), 0u);
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EXPECT_EQ(v.column(), 0u);
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}
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TEST_F(VariableTest, CreationWithSource) {
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Source s{27, 4};
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type::F32Type t;
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Variable v(s, "i", StorageClass::kPrivate, &t);
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EXPECT_EQ(v.name(), "i");
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EXPECT_EQ(v.storage_class(), StorageClass::kPrivate);
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EXPECT_EQ(v.type(), &t);
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EXPECT_EQ(v.line(), 27u);
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EXPECT_EQ(v.column(), 4u);
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}
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TEST_F(VariableTest, CreationEmpty) {
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Source s{27, 4};
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Variable v;
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v.set_source(s);
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v.set_storage_class(StorageClass::kWorkgroup);
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v.set_name("a_var");
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type::I32Type t;
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v.set_type(&t);
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EXPECT_EQ(v.name(), "a_var");
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EXPECT_EQ(v.storage_class(), StorageClass::kWorkgroup);
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EXPECT_EQ(v.type(), &t);
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EXPECT_EQ(v.line(), 27u);
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EXPECT_EQ(v.column(), 4u);
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}
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TEST_F(VariableTest, IsValid) {
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type::I32Type t;
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Variable v{"my_var", StorageClass::kNone, &t};
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EXPECT_TRUE(v.IsValid());
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}
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TEST_F(VariableTest, IsValid_WithConstructor) {
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type::I32Type t;
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Variable v{"my_var", StorageClass::kNone, &t};
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v.set_constructor(std::make_unique<IdentifierExpression>("ident"));
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EXPECT_TRUE(v.IsValid());
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}
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TEST_F(VariableTest, IsValid_MissinName) {
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type::I32Type t;
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Variable v{"", StorageClass::kNone, &t};
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EXPECT_FALSE(v.IsValid());
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}
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TEST_F(VariableTest, IsValid_MissingType) {
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Variable v{"x", StorageClass::kNone, nullptr};
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EXPECT_FALSE(v.IsValid());
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}
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TEST_F(VariableTest, IsValid_MissingBoth) {
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Variable v;
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EXPECT_FALSE(v.IsValid());
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}
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TEST_F(VariableTest, IsValid_InvalidConstructor) {
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type::I32Type t;
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Variable v{"my_var", StorageClass::kNone, &t};
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v.set_constructor(std::make_unique<IdentifierExpression>(""));
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EXPECT_FALSE(v.IsValid());
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}
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TEST_F(VariableTest, to_str) {
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type::F32Type t;
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Variable v{"my_var", StorageClass::kFunction, &t};
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std::ostringstream out;
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v.to_str(out, 2);
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EXPECT_EQ(out.str(), R"( Variable{
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my_var
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function
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__f32
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}
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)");
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}
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} // namespace
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} // namespace ast
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} // namespace tint
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