99 lines
2.5 KiB
C++
99 lines
2.5 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/cast_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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namespace {
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using CastExpressionTest = testing::Test;
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TEST_F(CastExpressionTest, Creation) {
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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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CastExpression c(&f32, std::move(expr));
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EXPECT_EQ(c.type(), &f32);
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EXPECT_EQ(c.expr(), expr_ptr);
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}
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TEST_F(CastExpressionTest, Creation_withSource) {
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type::F32Type f32;
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auto expr = std::make_unique<IdentifierExpression>("expr");
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CastExpression c(Source{20, 2}, &f32, std::move(expr));
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auto src = c.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(CastExpressionTest, IsCast) {
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CastExpression c;
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EXPECT_TRUE(c.IsCast());
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}
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TEST_F(CastExpressionTest, IsValid) {
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type::F32Type f32;
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auto expr = std::make_unique<IdentifierExpression>("expr");
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CastExpression c(&f32, std::move(expr));
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EXPECT_TRUE(c.IsValid());
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}
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TEST_F(CastExpressionTest, IsValid_MissingType) {
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auto expr = std::make_unique<IdentifierExpression>("expr");
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CastExpression c;
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c.set_expr(std::move(expr));
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EXPECT_FALSE(c.IsValid());
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}
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TEST_F(CastExpressionTest, IsValid_MissingExpression) {
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type::F32Type f32;
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CastExpression c;
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c.set_type(&f32);
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EXPECT_FALSE(c.IsValid());
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}
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TEST_F(CastExpressionTest, IsValid_InvalidExpression) {
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type::F32Type f32;
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auto expr = std::make_unique<IdentifierExpression>("");
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CastExpression c(&f32, std::move(expr));
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EXPECT_FALSE(c.IsValid());
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}
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TEST_F(CastExpressionTest, ToStr) {
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type::F32Type f32;
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auto expr = std::make_unique<IdentifierExpression>("expr");
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CastExpression c(Source{20, 2}, &f32, std::move(expr));
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std::ostringstream out;
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c.to_str(out, 2);
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EXPECT_EQ(out.str(), R"( Cast<__f32>(
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Identifier{expr}
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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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