dawn-cmake/src/ast/variable_test.cc

120 lines
2.9 KiB
C++

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