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