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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/assignment_statement.h"
#include "gtest/gtest-spi.h"
#include "src/ast/test_helper.h"
namespace tint {
namespace ast {
namespace {
using AssignmentStatementTest = TestHelper;
TEST_F(AssignmentStatementTest, Creation) {
auto* lhs = Expr("lhs");
auto* rhs = Expr("rhs");
auto* stmt = create<AssignmentStatement>(lhs, rhs);
EXPECT_EQ(stmt->lhs(), lhs);
EXPECT_EQ(stmt->rhs(), rhs);
}
TEST_F(AssignmentStatementTest, CreationWithSource) {
auto* lhs = Expr("lhs");
auto* rhs = Expr("rhs");
auto* stmt =
create<AssignmentStatement>(Source{Source::Location{20, 2}}, lhs, rhs);
auto src = stmt->source();
EXPECT_EQ(src.range.begin.line, 20u);
EXPECT_EQ(src.range.begin.column, 2u);
}
TEST_F(AssignmentStatementTest, IsAssign) {
auto* lhs = Expr("lhs");
auto* rhs = Expr("rhs");
auto* stmt = create<AssignmentStatement>(lhs, rhs);
EXPECT_TRUE(stmt->Is<AssignmentStatement>());
}
TEST_F(AssignmentStatementTest, Assert_Null_LHS) {
EXPECT_FATAL_FAILURE(
{
ProgramBuilder b;
b.create<AssignmentStatement>(nullptr, b.Expr(1));
},
"internal compiler error");
}
TEST_F(AssignmentStatementTest, Assert_Null_RHS) {
EXPECT_FATAL_FAILURE(
{
ProgramBuilder b;
b.create<AssignmentStatement>(b.Expr(1), nullptr);
},
"internal compiler error");
}
TEST_F(AssignmentStatementTest, Assert_DifferentProgramID_LHS) {
EXPECT_FATAL_FAILURE(
{
ProgramBuilder b1;
ProgramBuilder b2;
b1.create<AssignmentStatement>(b2.Expr("lhs"), b1.Expr("rhs"));
},
"internal compiler error");
}
TEST_F(AssignmentStatementTest, Assert_DifferentProgramID_RHS) {
EXPECT_FATAL_FAILURE(
{
ProgramBuilder b1;
ProgramBuilder b2;
b1.create<AssignmentStatement>(b1.Expr("lhs"), b2.Expr("rhs"));
},
"internal compiler error");
}
TEST_F(AssignmentStatementTest, ToStr) {
auto* lhs = Expr("lhs");
auto* rhs = Expr("rhs");
auto* stmt = create<AssignmentStatement>(lhs, rhs);
EXPECT_EQ(str(stmt), R"(Assignment{
Identifier[not set]{lhs}
Identifier[not set]{rhs}
}
)");
}
} // namespace
} // namespace ast
} // namespace tint