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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/else_statement.h"
#include "gtest/gtest.h"
#include "src/ast/bool_literal.h"
#include "src/ast/discard_statement.h"
#include "src/ast/if_statement.h"
#include "src/ast/scalar_constructor_expression.h"
#include "src/ast/type/bool_type.h"
namespace tint {
namespace ast {
namespace {
using ElseStatementTest = testing::Test;
TEST_F(ElseStatementTest, Creation) {
ast::type::BoolType bool_type;
auto cond = std::make_unique<ScalarConstructorExpression>(
std::make_unique<BoolLiteral>(&bool_type, true));
auto body = std::make_unique<BlockStatement>();
body->append(std::make_unique<DiscardStatement>());
auto* cond_ptr = cond.get();
auto* discard_ptr = body->get(0);
ElseStatement e(std::move(cond), std::move(body));
EXPECT_EQ(e.condition(), cond_ptr);
ASSERT_EQ(e.body()->size(), 1u);
EXPECT_EQ(e.body()->get(0), discard_ptr);
}
TEST_F(ElseStatementTest, Creation_WithSource) {
ElseStatement e(Source{20, 2}, std::make_unique<BlockStatement>());
auto src = e.source();
EXPECT_EQ(src.line, 20u);
EXPECT_EQ(src.column, 2u);
}
TEST_F(ElseStatementTest, IsElse) {
ElseStatement e;
EXPECT_TRUE(e.IsElse());
}
TEST_F(ElseStatementTest, HasCondition) {
ast::type::BoolType bool_type;
auto cond = std::make_unique<ScalarConstructorExpression>(
std::make_unique<BoolLiteral>(&bool_type, true));
ElseStatement e(std::move(cond), std::make_unique<BlockStatement>());
EXPECT_TRUE(e.HasCondition());
}
TEST_F(ElseStatementTest, HasContition_NullCondition) {
ElseStatement e;
EXPECT_FALSE(e.HasCondition());
}
TEST_F(ElseStatementTest, IsValid) {
ElseStatement e;
EXPECT_TRUE(e.IsValid());
}
TEST_F(ElseStatementTest, IsValid_WithBody) {
auto body = std::make_unique<BlockStatement>();
body->append(std::make_unique<DiscardStatement>());
ElseStatement e(std::move(body));
EXPECT_TRUE(e.IsValid());
}
TEST_F(ElseStatementTest, IsValid_WithNullBodyStatement) {
auto body = std::make_unique<BlockStatement>();
body->append(std::make_unique<DiscardStatement>());
body->append(nullptr);
ElseStatement e(std::move(body));
EXPECT_FALSE(e.IsValid());
}
TEST_F(ElseStatementTest, IsValid_InvalidCondition) {
auto cond = std::make_unique<ScalarConstructorExpression>();
ElseStatement e(std::move(cond), std::make_unique<BlockStatement>());
EXPECT_FALSE(e.IsValid());
}
TEST_F(ElseStatementTest, IsValid_InvalidBodyStatement) {
auto body = std::make_unique<BlockStatement>();
body->append(std::make_unique<IfStatement>());
ElseStatement e(std::move(body));
EXPECT_FALSE(e.IsValid());
}
TEST_F(ElseStatementTest, ToStr) {
ast::type::BoolType bool_type;
auto cond = std::make_unique<ScalarConstructorExpression>(
std::make_unique<BoolLiteral>(&bool_type, true));
auto body = std::make_unique<BlockStatement>();
body->append(std::make_unique<DiscardStatement>());
ElseStatement e(std::move(cond), std::move(body));
std::ostringstream out;
e.to_str(out, 2);
EXPECT_EQ(out.str(), R"( Else{
(
ScalarConstructor{true}
)
{
Discard{}
}
}
)");
}
TEST_F(ElseStatementTest, ToStr_NoCondition) {
auto body = std::make_unique<BlockStatement>();
body->append(std::make_unique<DiscardStatement>());
ElseStatement e(std::move(body));
std::ostringstream out;
e.to_str(out, 2);
EXPECT_EQ(out.str(), R"( Else{
{
Discard{}
}
}
)");
}
} // namespace
} // namespace ast
} // namespace tint