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10d5c6a6b6
It doesn't actually do anything (yet), but will hold the context and a helper for constructing AST nodes. Bug: tint:322 Change-Id: Ic7ba92bf39abf64ff2ac51d81c8a6338f5eff608 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/32663 Reviewed-by: dan sinclair <dsinclair@chromium.org> Commit-Queue: Ben Clayton <bclayton@google.com>
101 lines
2.6 KiB
C++
101 lines
2.6 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/bitcast_expression.h"
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#include "src/ast/identifier_expression.h"
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#include "src/ast/test_helper.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 BitcastExpressionTest = TestHelper;
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TEST_F(BitcastExpressionTest, 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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BitcastExpression 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(BitcastExpressionTest, CreateWithSource) {
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type::F32Type f32;
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auto expr = std::make_unique<IdentifierExpression>("expr");
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BitcastExpression exp(Source{Source::Location{20, 2}}, &f32, std::move(expr));
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auto src = exp.source();
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EXPECT_EQ(src.range.begin.line, 20u);
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EXPECT_EQ(src.range.begin.column, 2u);
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}
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TEST_F(BitcastExpressionTest, IsBitcast) {
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BitcastExpression exp;
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EXPECT_TRUE(exp.IsBitcast());
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}
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TEST_F(BitcastExpressionTest, IsValid) {
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type::F32Type f32;
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auto expr = std::make_unique<IdentifierExpression>("expr");
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BitcastExpression exp(&f32, std::move(expr));
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EXPECT_TRUE(exp.IsValid());
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}
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TEST_F(BitcastExpressionTest, IsValid_MissingType) {
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auto expr = std::make_unique<IdentifierExpression>("expr");
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BitcastExpression 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(BitcastExpressionTest, IsValid_MissingExpr) {
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type::F32Type f32;
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BitcastExpression 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(BitcastExpressionTest, IsValid_InvalidExpr) {
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type::F32Type f32;
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auto expr = std::make_unique<IdentifierExpression>("");
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BitcastExpression e(&f32, std::move(expr));
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EXPECT_FALSE(e.IsValid());
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}
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TEST_F(BitcastExpressionTest, ToStr) {
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type::F32Type f32;
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auto expr = std::make_unique<IdentifierExpression>("expr");
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BitcastExpression 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"( Bitcast<__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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