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91e57dd7d8
This CL adds unit tests for the as expression and fixes up a few issues along the way. Change-Id: I4591f31c1a48ea5580a87a129c728ef3c9be2c7c Bug: tint:11 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/16340 Reviewed-by: Sarah Mashayekhi <sarahmashay@google.com>
99 lines
2.4 KiB
C++
99 lines
2.4 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/as_expression.h"
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#include "gtest/gtest.h"
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#include "src/ast/identifier_expression.h"
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#include "src/ast/type/f32_type.h"
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namespace tint {
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namespace ast {
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using AsExpressionTest = testing::Test;
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TEST_F(AsExpressionTest, Create) {
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type::F32Type f32;
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auto expr = std::make_unique<IdentifierExpression>("expr");
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auto expr_ptr = expr.get();
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AsExpression exp(&f32, std::move(expr));
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ASSERT_EQ(exp.type(), &f32);
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ASSERT_EQ(exp.expr(), expr_ptr);
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}
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TEST_F(AsExpressionTest, CreateWithSource) {
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type::F32Type f32;
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auto expr = std::make_unique<IdentifierExpression>("expr");
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AsExpression exp(Source{20, 2}, &f32, std::move(expr));
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auto src = exp.source();
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EXPECT_EQ(src.line, 20);
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EXPECT_EQ(src.column, 2);
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}
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TEST_F(AsExpressionTest, IsAs) {
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AsExpression exp;
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EXPECT_TRUE(exp.IsAs());
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}
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TEST_F(AsExpressionTest, IsValid) {
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type::F32Type f32;
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auto expr = std::make_unique<IdentifierExpression>("expr");
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AsExpression exp(&f32, std::move(expr));
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EXPECT_TRUE(exp.IsValid());
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}
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TEST_F(AsExpressionTest, IsValid_MissingType) {
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auto expr = std::make_unique<IdentifierExpression>("expr");
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AsExpression exp;
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exp.set_expr(std::move(expr));
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EXPECT_FALSE(exp.IsValid());
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}
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TEST_F(AsExpressionTest, IsValid_MissingExpr) {
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type::F32Type f32;
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AsExpression exp;
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exp.set_type(&f32);
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EXPECT_FALSE(exp.IsValid());
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}
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TEST_F(AsExpressionTest, IsValid_InvalidExpr) {
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type::F32Type f32;
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auto expr = std::make_unique<IdentifierExpression>("");
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AsExpression e(&f32, std::move(expr));
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EXPECT_FALSE(e.IsValid());
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}
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TEST_F(AsExpressionTest, ToStr) {
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type::F32Type f32;
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auto expr = std::make_unique<IdentifierExpression>("expr");
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AsExpression exp(&f32, std::move(expr));
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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"( As<__f32>{
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Identifier{expr}
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}
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)");
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}
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} // namespace ast
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} // namespace tint
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