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0a196c13c8
BUG=tint:50 Change-Id: Ie19a1af6a97a49a67dcc7474991c960b986ddebe Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/19782 Reviewed-by: David Neto <dneto@google.com>
112 lines
3.4 KiB
C++
112 lines
3.4 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/assignment_statement.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 AssignmentStatementTest = testing::Test;
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TEST_F(AssignmentStatementTest, Creation) {
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auto lhs = std::make_unique<ast::IdentifierExpression>("lhs");
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auto rhs = std::make_unique<ast::IdentifierExpression>("rhs");
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auto* lhs_ptr = lhs.get();
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auto* rhs_ptr = rhs.get();
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AssignmentStatement stmt(std::move(lhs), std::move(rhs));
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EXPECT_EQ(stmt.lhs(), lhs_ptr);
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EXPECT_EQ(stmt.rhs(), rhs_ptr);
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}
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TEST_F(AssignmentStatementTest, CreationWithSource) {
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auto lhs = std::make_unique<ast::IdentifierExpression>("lhs");
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auto rhs = std::make_unique<ast::IdentifierExpression>("rhs");
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AssignmentStatement stmt(Source{20, 2}, std::move(lhs), std::move(rhs));
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auto src = stmt.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(AssignmentStatementTest, IsAssign) {
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auto lhs = std::make_unique<ast::IdentifierExpression>("lhs");
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auto rhs = std::make_unique<ast::IdentifierExpression>("rhs");
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AssignmentStatement stmt(std::move(lhs), std::move(rhs));
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EXPECT_TRUE(stmt.IsAssign());
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}
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TEST_F(AssignmentStatementTest, IsValid) {
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auto lhs = std::make_unique<ast::IdentifierExpression>("lhs");
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auto rhs = std::make_unique<ast::IdentifierExpression>("rhs");
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AssignmentStatement stmt(std::move(lhs), std::move(rhs));
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EXPECT_TRUE(stmt.IsValid());
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}
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TEST_F(AssignmentStatementTest, IsValid_MissingLHS) {
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auto rhs = std::make_unique<ast::IdentifierExpression>("rhs");
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AssignmentStatement stmt;
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stmt.set_rhs(std::move(rhs));
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EXPECT_FALSE(stmt.IsValid());
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}
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TEST_F(AssignmentStatementTest, IsValid_MissingRHS) {
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auto lhs = std::make_unique<ast::IdentifierExpression>("lhs");
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AssignmentStatement stmt;
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stmt.set_lhs(std::move(lhs));
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EXPECT_FALSE(stmt.IsValid());
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}
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TEST_F(AssignmentStatementTest, IsValid_InvalidLHS) {
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auto lhs = std::make_unique<ast::IdentifierExpression>("");
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auto rhs = std::make_unique<ast::IdentifierExpression>("rhs");
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AssignmentStatement stmt(std::move(lhs), std::move(rhs));
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EXPECT_FALSE(stmt.IsValid());
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}
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TEST_F(AssignmentStatementTest, IsValid_InvalidRHS) {
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auto lhs = std::make_unique<ast::IdentifierExpression>("lhs");
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auto rhs = std::make_unique<ast::IdentifierExpression>("");
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AssignmentStatement stmt(std::move(lhs), std::move(rhs));
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EXPECT_FALSE(stmt.IsValid());
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}
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TEST_F(AssignmentStatementTest, ToStr) {
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auto lhs = std::make_unique<ast::IdentifierExpression>("lhs");
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auto rhs = std::make_unique<ast::IdentifierExpression>("rhs");
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AssignmentStatement stmt(std::move(lhs), std::move(rhs));
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std::ostringstream out;
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stmt.to_str(out, 2);
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EXPECT_EQ(out.str(), R"( Assignment{
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Identifier{lhs}
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Identifier{rhs}
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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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