dawn-cmake/src/ast/array_accessor_expression_t...

108 lines
3.2 KiB
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// 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/array_accessor_expression.h"
#include "gtest/gtest.h"
#include "src/ast/identifier_expression.h"
namespace tint {
namespace ast {
namespace {
using ArrayAccessorExpressionTest = testing::Test;
TEST_F(ArrayAccessorExpressionTest, Create) {
auto ary = std::make_unique<IdentifierExpression>("ary");
auto idx = std::make_unique<IdentifierExpression>("idx");
auto* ary_ptr = ary.get();
auto* idx_ptr = idx.get();
ArrayAccessorExpression exp(std::move(ary), std::move(idx));
ASSERT_EQ(exp.array(), ary_ptr);
ASSERT_EQ(exp.idx_expr(), idx_ptr);
}
TEST_F(ArrayAccessorExpressionTest, CreateWithSource) {
auto ary = std::make_unique<IdentifierExpression>("ary");
auto idx = std::make_unique<IdentifierExpression>("idx");
ArrayAccessorExpression exp(Source{20, 2}, std::move(ary), std::move(idx));
auto src = exp.source();
EXPECT_EQ(src.line, 20u);
EXPECT_EQ(src.column, 2u);
}
TEST_F(ArrayAccessorExpressionTest, IsArrayAccessor) {
ArrayAccessorExpression exp;
EXPECT_TRUE(exp.IsArrayAccessor());
}
TEST_F(ArrayAccessorExpressionTest, IsValid) {
auto ary = std::make_unique<IdentifierExpression>("ary");
auto idx = std::make_unique<IdentifierExpression>("idx");
ArrayAccessorExpression exp(std::move(ary), std::move(idx));
EXPECT_TRUE(exp.IsValid());
}
TEST_F(ArrayAccessorExpressionTest, IsValid_MissingArray) {
auto idx = std::make_unique<IdentifierExpression>("idx");
ArrayAccessorExpression exp;
exp.set_idx_expr(std::move(idx));
EXPECT_FALSE(exp.IsValid());
}
TEST_F(ArrayAccessorExpressionTest, IsValid_MissingIndex) {
auto ary = std::make_unique<IdentifierExpression>("ary");
ArrayAccessorExpression exp;
exp.set_array(std::move(ary));
EXPECT_FALSE(exp.IsValid());
}
TEST_F(ArrayAccessorExpressionTest, IsValid_InvalidArray) {
auto ary = std::make_unique<IdentifierExpression>("");
auto idx = std::make_unique<IdentifierExpression>("idx");
ArrayAccessorExpression exp(std::move(ary), std::move(idx));
EXPECT_FALSE(exp.IsValid());
}
TEST_F(ArrayAccessorExpressionTest, IsValid_InvalidIndex) {
auto ary = std::make_unique<IdentifierExpression>("ary");
auto idx = std::make_unique<IdentifierExpression>("");
ArrayAccessorExpression exp(std::move(ary), std::move(idx));
EXPECT_FALSE(exp.IsValid());
}
TEST_F(ArrayAccessorExpressionTest, ToStr) {
auto ary = std::make_unique<IdentifierExpression>("ary");
auto idx = std::make_unique<IdentifierExpression>("idx");
ArrayAccessorExpression exp(std::move(ary), std::move(idx));
std::ostringstream out;
exp.to_str(out, 2);
EXPECT_EQ(out.str(), R"( ArrayAccessor{
Identifier{ary}
Identifier{idx}
}
)");
}
} // namespace
} // namespace ast
} // namespace tint