131 lines
3.4 KiB
C++
131 lines
3.4 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/loop_statement.h"
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#include "gtest/gtest-spi.h"
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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 LoopStatementTest = TestHelper;
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TEST_F(LoopStatementTest, Creation) {
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auto* body = Block(create<DiscardStatement>());
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auto* b = body->last();
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auto* continuing = Block(create<DiscardStatement>());
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auto* l = create<LoopStatement>(body, continuing);
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ASSERT_EQ(l->body()->size(), 1u);
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EXPECT_EQ(l->body()->get(0), b);
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ASSERT_EQ(l->continuing()->size(), 1u);
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EXPECT_EQ(l->continuing()->get(0), continuing->last());
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}
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TEST_F(LoopStatementTest, Creation_WithSource) {
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auto* body = Block(create<DiscardStatement>());
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auto* continuing = Block(create<DiscardStatement>());
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auto* l =
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create<LoopStatement>(Source{Source::Location{20, 2}}, body, continuing);
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auto src = l->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(LoopStatementTest, IsLoop) {
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auto* l = create<LoopStatement>(Block(), Block());
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EXPECT_TRUE(l->Is<LoopStatement>());
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}
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TEST_F(LoopStatementTest, HasContinuing_WithoutContinuing) {
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auto* body = Block(create<DiscardStatement>());
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auto* l = create<LoopStatement>(body, nullptr);
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EXPECT_FALSE(l->has_continuing());
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}
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TEST_F(LoopStatementTest, HasContinuing_WithContinuing) {
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auto* body = Block(create<DiscardStatement>());
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auto* continuing = Block(create<DiscardStatement>());
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auto* l = create<LoopStatement>(body, continuing);
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EXPECT_TRUE(l->has_continuing());
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}
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TEST_F(LoopStatementTest, Assert_Null_Body) {
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EXPECT_FATAL_FAILURE(
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{
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ProgramBuilder b;
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b.create<LoopStatement>(nullptr, nullptr);
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},
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"internal compiler error");
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}
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TEST_F(LoopStatementTest, Assert_DifferentProgramID_Body) {
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EXPECT_FATAL_FAILURE(
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{
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ProgramBuilder b1;
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ProgramBuilder b2;
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b1.create<LoopStatement>(b2.Block(), b1.Block());
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},
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"internal compiler error");
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}
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TEST_F(LoopStatementTest, Assert_DifferentProgramID_Continuing) {
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EXPECT_FATAL_FAILURE(
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{
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ProgramBuilder b1;
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ProgramBuilder b2;
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b1.create<LoopStatement>(b1.Block(), b2.Block());
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},
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"internal compiler error");
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}
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TEST_F(LoopStatementTest, ToStr) {
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auto* body = Block(create<DiscardStatement>());
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auto* l = create<LoopStatement>(body, nullptr);
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EXPECT_EQ(str(l), R"(Loop{
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Discard{}
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}
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)");
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}
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TEST_F(LoopStatementTest, ToStr_WithContinuing) {
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auto* body = Block(create<DiscardStatement>());
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auto* continuing = Block(create<DiscardStatement>());
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auto* l = create<LoopStatement>(body, continuing);
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EXPECT_EQ(str(l), R"(Loop{
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Discard{}
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continuing {
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Discard{}
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}
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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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