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eeac0c5f63
In a near-future change, AST nodes, such as ast::BlockStatement will no longer be std::unique_ptrs, and will have to be constructed and owned by an external class. This means AST nodes can no longer allocate default child nodes. Bug: tint:322 Change-Id: I36a1cf55c31a1dabccde272b2be415f98c16b18f Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/32677 Commit-Queue: Ben Clayton <bclayton@google.com> Commit-Queue: David Neto <dneto@google.com> Reviewed-by: David Neto <dneto@google.com> Reviewed-by: dan sinclair <dsinclair@chromium.org>
113 lines
2.6 KiB
C++
113 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/block_statement.h"
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#include <memory>
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#include <sstream>
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#include "src/ast/discard_statement.h"
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#include "src/ast/if_statement.h"
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#include "src/ast/test_helper.h"
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namespace tint {
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namespace ast {
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namespace {
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using BlockStatementTest = TestHelper;
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TEST_F(BlockStatementTest, Creation) {
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auto d = create<DiscardStatement>();
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auto* ptr = d.get();
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BlockStatement b;
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b.append(std::move(d));
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ASSERT_EQ(b.size(), 1u);
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EXPECT_EQ(b[0], ptr);
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}
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TEST_F(BlockStatementTest, Creation_WithInsert) {
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auto s1 = create<DiscardStatement>();
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auto s2 = create<DiscardStatement>();
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auto s3 = create<DiscardStatement>();
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auto* p1 = s1.get();
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auto* p2 = s2.get();
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auto* p3 = s3.get();
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BlockStatement b;
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b.insert(0, std::move(s1));
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b.insert(0, std::move(s2));
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b.insert(1, std::move(s3));
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// |b| should contain s2, s3, s1
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ASSERT_EQ(b.size(), 3u);
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EXPECT_EQ(b[0], p2);
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EXPECT_EQ(b[1], p3);
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EXPECT_EQ(b[2], p1);
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}
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TEST_F(BlockStatementTest, Creation_WithSource) {
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BlockStatement b(Source{Source::Location{20, 2}});
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auto src = b.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(BlockStatementTest, IsBlock) {
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BlockStatement b;
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EXPECT_TRUE(b.IsBlock());
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}
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TEST_F(BlockStatementTest, IsValid) {
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BlockStatement b;
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b.append(create<DiscardStatement>());
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EXPECT_TRUE(b.IsValid());
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}
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TEST_F(BlockStatementTest, IsValid_Empty) {
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BlockStatement b;
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EXPECT_TRUE(b.IsValid());
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}
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TEST_F(BlockStatementTest, IsValid_NullBodyStatement) {
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BlockStatement b;
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b.append(create<DiscardStatement>());
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b.append(nullptr);
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EXPECT_FALSE(b.IsValid());
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}
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TEST_F(BlockStatementTest, IsValid_InvalidBodyStatement) {
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BlockStatement b;
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b.append(create<IfStatement>(nullptr, create<BlockStatement>()));
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EXPECT_FALSE(b.IsValid());
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}
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TEST_F(BlockStatementTest, ToStr) {
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BlockStatement b;
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b.append(create<DiscardStatement>());
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std::ostringstream out;
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b.to_str(out, 2);
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EXPECT_EQ(out.str(), R"( Block{
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Discard{}
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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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