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cb21680714
Change-Id: I7fb82fa6c2802747762fca3af1d5e59eb44ffb5a Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/44881 Auto-Submit: Antonio Maiorano <amaiorano@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Ben Clayton <bclayton@google.com>
84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
// Copyright 2021 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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#ifndef SRC_RESOLVER_RESOLVER_TEST_HELPER_H_
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#define SRC_RESOLVER_RESOLVER_TEST_HELPER_H_
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#include <memory>
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#include <vector>
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#include "gtest/gtest.h"
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#include "src/program_builder.h"
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#include "src/resolver/resolver.h"
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#include "src/semantic/expression.h"
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#include "src/semantic/statement.h"
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#include "src/semantic/variable.h"
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namespace tint {
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namespace resolver {
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/// Helper class for testing
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class TestHelper : public ProgramBuilder {
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public:
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/// Constructor
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TestHelper();
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/// Destructor
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~TestHelper() override;
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/// @return a pointer to the Resolver
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Resolver* r() const { return resolver_.get(); }
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/// Returns the statement that holds the given expression.
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/// @param expr the ast::Expression
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/// @return the ast::Statement of the ast::Expression, or nullptr if the
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/// expression is not owned by a statement.
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ast::Statement* StmtOf(ast::Expression* expr) {
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auto* sem_stmt = Sem().Get(expr)->Stmt();
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return sem_stmt ? sem_stmt->Declaration() : nullptr;
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}
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/// Checks that all the users of the given variable are as expected
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/// @param var the variable to check
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/// @param expected_users the expected users of the variable
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/// @return true if all users are as expected
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bool CheckVarUsers(ast::Variable* var,
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std::vector<ast::Expression*>&& expected_users) {
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auto& var_users = Sem().Get(var)->Users();
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if (var_users.size() != expected_users.size()) {
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return false;
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}
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for (size_t i = 0; i < var_users.size(); i++) {
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if (var_users[i]->Declaration() != expected_users[i]) {
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return false;
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}
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}
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return true;
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}
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private:
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std::unique_ptr<Resolver> resolver_;
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};
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class ResolverTest : public TestHelper, public testing::Test {};
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template <typename T>
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class ResolverTestWithParam : public TestHelper,
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public testing::TestWithParam<T> {};
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} // namespace resolver
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} // namespace tint
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#endif // SRC_RESOLVER_RESOLVER_TEST_HELPER_H_
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