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This CL adds tests for the UnaryDerivativeExpression AST element. Bug: tint:11 Change-Id: Ieabfdcb7940aedc58a3455b74c0ddb508b4859ff Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/16673 Reviewed-by: Sarah Mashayekhi <sarahmashay@google.com>
89 lines
2.9 KiB
C++
89 lines
2.9 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/unary_derivative_expression.h"
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#include <sstream>
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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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using UnaryDerivativeExpressionTest = testing::Test;
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TEST_F(UnaryDerivativeExpressionTest, Creation) {
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auto ident = std::make_unique<IdentifierExpression>("ident");
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auto ident_ptr = ident.get();
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UnaryDerivativeExpression d(UnaryDerivative::kDpdy,
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DerivativeModifier::kCoarse, std::move(ident));
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EXPECT_EQ(d.param(), ident_ptr);
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EXPECT_EQ(d.modifier(), DerivativeModifier::kCoarse);
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EXPECT_EQ(d.op(), UnaryDerivative::kDpdy);
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}
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TEST_F(UnaryDerivativeExpressionTest, Creation_WithSource) {
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auto ident = std::make_unique<IdentifierExpression>("ident");
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UnaryDerivativeExpression d(Source{20, 2}, UnaryDerivative::kDpdy,
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DerivativeModifier::kCoarse, std::move(ident));
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auto src = d.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(UnaryDerivativeExpressionTest, IsUnaryDerivative) {
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UnaryDerivativeExpression d;
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EXPECT_TRUE(d.IsUnaryDerivative());
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}
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TEST_F(UnaryDerivativeExpressionTest, IsValid) {
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auto ident = std::make_unique<IdentifierExpression>("ident");
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UnaryDerivativeExpression d(UnaryDerivative::kDpdy,
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DerivativeModifier::kCoarse, std::move(ident));
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EXPECT_TRUE(d.IsValid());
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}
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TEST_F(UnaryDerivativeExpressionTest, IsValid_NullParam) {
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UnaryDerivativeExpression d(UnaryDerivative::kDpdy,
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DerivativeModifier::kCoarse, nullptr);
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EXPECT_FALSE(d.IsValid());
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}
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TEST_F(UnaryDerivativeExpressionTest, IsValid_InvalidParam) {
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auto ident = std::make_unique<IdentifierExpression>("");
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UnaryDerivativeExpression d(UnaryDerivative::kDpdy,
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DerivativeModifier::kCoarse, std::move(ident));
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EXPECT_FALSE(d.IsValid());
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}
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TEST_F(UnaryDerivativeExpressionTest, ToStr) {
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auto ident = std::make_unique<IdentifierExpression>("ident");
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UnaryDerivativeExpression d(UnaryDerivative::kDpdy,
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DerivativeModifier::kCoarse, std::move(ident));
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std::ostringstream out;
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d.to_str(out, 2);
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EXPECT_EQ(out.str(), R"( UnaryDerivative{
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dpdy
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coarse
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Identifier{ident}
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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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