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// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/ast/bitcast_expression.h"
#include "gtest/gtest-spi.h"
#include "src/ast/test_helper.h"
namespace tint {
namespace ast {
namespace {
using BitcastExpressionTest = TestHelper;
TEST_F(BitcastExpressionTest, Create) {
auto* expr = Expr("expr");
auto* exp = create<BitcastExpression>(ty.f32(), expr);
EXPECT_TRUE(exp->type()->Is<ast::F32>());
ASSERT_EQ(exp->expr(), expr);
}
TEST_F(BitcastExpressionTest, CreateWithSource) {
auto* expr = Expr("expr");
auto* exp = create<BitcastExpression>(Source{Source::Location{20, 2}},
ty.f32(), expr);
auto src = exp->source();
EXPECT_EQ(src.range.begin.line, 20u);
EXPECT_EQ(src.range.begin.column, 2u);
}
TEST_F(BitcastExpressionTest, IsBitcast) {
auto* expr = Expr("expr");
auto* exp = create<BitcastExpression>(ty.f32(), expr);
EXPECT_TRUE(exp->Is<BitcastExpression>());
}
TEST_F(BitcastExpressionTest, Assert_Null_Type) {
EXPECT_FATAL_FAILURE(
{
ProgramBuilder b;
b.create<BitcastExpression>(nullptr, b.Expr("idx"));
},
"internal compiler error");
}
TEST_F(BitcastExpressionTest, Assert_Null_Expr) {
EXPECT_FATAL_FAILURE(
{
ProgramBuilder b;
b.create<BitcastExpression>(b.ty.f32(), nullptr);
},
"internal compiler error");
}
TEST_F(BitcastExpressionTest, Assert_DifferentProgramID_Expr) {
EXPECT_FATAL_FAILURE(
{
ProgramBuilder b1;
ProgramBuilder b2;
b1.create<BitcastExpression>(b1.ty.f32(), b2.Expr("idx"));
},
"internal compiler error");
}
TEST_F(BitcastExpressionTest, ToStr) {
auto* expr = Expr("expr");
auto* exp = create<BitcastExpression>(ty.f32(), expr);
EXPECT_EQ(str(exp), R"(Bitcast[not set]<__f32>{
Identifier[not set]{expr}
}
)");
}
} // namespace
} // namespace ast
} // namespace tint