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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/block_statement.h"
#include <memory>
#include <sstream>
#include "src/ast/discard_statement.h"
#include "src/ast/if_statement.h"
#include "src/ast/test_helper.h"
namespace tint {
namespace ast {
namespace {
using BlockStatementTest = TestHelper;
TEST_F(BlockStatementTest, Creation) {
auto* d = create<DiscardStatement>();
auto* ptr = d;
BlockStatement b;
b.append(d);
ASSERT_EQ(b.size(), 1u);
EXPECT_EQ(b[0], ptr);
}
TEST_F(BlockStatementTest, Creation_WithInsert) {
auto* s1 = create<DiscardStatement>();
auto* s2 = create<DiscardStatement>();
auto* s3 = create<DiscardStatement>();
BlockStatement b;
b.insert(0, s1);
b.insert(0, s2);
b.insert(1, s3);
// |b| should contain s2, s3, s1
ASSERT_EQ(b.size(), 3u);
EXPECT_EQ(b[0], s2);
EXPECT_EQ(b[1], s3);
EXPECT_EQ(b[2], s1);
}
TEST_F(BlockStatementTest, Creation_WithSource) {
BlockStatement b(Source{Source::Location{20, 2}});
auto src = b.source();
EXPECT_EQ(src.range.begin.line, 20u);
EXPECT_EQ(src.range.begin.column, 2u);
}
TEST_F(BlockStatementTest, IsBlock) {
BlockStatement b;
EXPECT_TRUE(b.Is<BlockStatement>());
}
TEST_F(BlockStatementTest, IsValid) {
BlockStatement b;
b.append(create<DiscardStatement>());
EXPECT_TRUE(b.IsValid());
}
TEST_F(BlockStatementTest, IsValid_Empty) {
BlockStatement b;
EXPECT_TRUE(b.IsValid());
}
TEST_F(BlockStatementTest, IsValid_NullBodyStatement) {
BlockStatement b;
b.append(create<DiscardStatement>());
b.append(nullptr);
EXPECT_FALSE(b.IsValid());
}
TEST_F(BlockStatementTest, IsValid_InvalidBodyStatement) {
BlockStatement b;
b.append(create<IfStatement>(Source{}, nullptr, create<BlockStatement>(),
ElseStatementList{}));
EXPECT_FALSE(b.IsValid());
}
TEST_F(BlockStatementTest, ToStr) {
BlockStatement b;
b.append(create<DiscardStatement>());
std::ostringstream out;
b.to_str(out, 2);
EXPECT_EQ(out.str(), R"( Block{
Discard{}
}
)");
}
} // namespace
} // namespace ast
} // namespace tint