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https://github.com/encounter/dawn-cmake.git
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1d8098ae94
Change-Id: I5520752a4b5844be0ecac7921616893d123b246a Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/34315 Reviewed-by: dan sinclair <dsinclair@chromium.org>
121 lines
3.7 KiB
C++
121 lines
3.7 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 "gtest/gtest.h"
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#include "src/ast/discard_statement.h"
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#include "src/reader/wgsl/parser_impl.h"
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#include "src/reader/wgsl/parser_impl_test_helper.h"
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namespace tint {
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namespace reader {
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namespace wgsl {
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namespace {
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TEST_F(ParserImplTest, LoopStmt_BodyNoContinuing) {
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auto p = parser("loop { discard; }");
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auto e = p->loop_stmt();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_NE(e.value, nullptr);
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ASSERT_EQ(e->body()->size(), 1u);
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EXPECT_TRUE(e->body()->get(0)->Is<ast::DiscardStatement>());
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EXPECT_EQ(e->continuing()->size(), 0u);
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}
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TEST_F(ParserImplTest, LoopStmt_BodyWithContinuing) {
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auto p = parser("loop { discard; continuing { discard; }}");
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auto e = p->loop_stmt();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_NE(e.value, nullptr);
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ASSERT_EQ(e->body()->size(), 1u);
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EXPECT_TRUE(e->body()->get(0)->Is<ast::DiscardStatement>());
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EXPECT_EQ(e->continuing()->size(), 1u);
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EXPECT_TRUE(e->continuing()->get(0)->Is<ast::DiscardStatement>());
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}
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TEST_F(ParserImplTest, LoopStmt_NoBodyNoContinuing) {
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auto p = parser("loop { }");
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auto e = p->loop_stmt();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_NE(e.value, nullptr);
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ASSERT_EQ(e->body()->size(), 0u);
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ASSERT_EQ(e->continuing()->size(), 0u);
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}
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TEST_F(ParserImplTest, LoopStmt_NoBodyWithContinuing) {
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auto p = parser("loop { continuing { discard; }}");
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auto e = p->loop_stmt();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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EXPECT_FALSE(p->has_error()) << p->error();
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ASSERT_NE(e.value, nullptr);
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ASSERT_EQ(e->body()->size(), 0u);
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ASSERT_EQ(e->continuing()->size(), 1u);
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EXPECT_TRUE(e->continuing()->get(0)->Is<ast::DiscardStatement>());
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}
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TEST_F(ParserImplTest, LoopStmt_MissingBracketLeft) {
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auto p = parser("loop discard; }");
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auto e = p->loop_stmt();
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EXPECT_FALSE(e.matched);
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EXPECT_TRUE(e.errored);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:6: expected '{' for loop");
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}
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TEST_F(ParserImplTest, LoopStmt_MissingBracketRight) {
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auto p = parser("loop { discard; ");
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auto e = p->loop_stmt();
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EXPECT_FALSE(e.matched);
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EXPECT_TRUE(e.errored);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:17: expected '}' for loop");
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}
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TEST_F(ParserImplTest, LoopStmt_InvalidStatements) {
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auto p = parser("loop { discard }");
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auto e = p->loop_stmt();
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EXPECT_FALSE(e.matched);
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EXPECT_TRUE(e.errored);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:16: expected ';' for discard statement");
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}
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TEST_F(ParserImplTest, LoopStmt_InvalidContinuing) {
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auto p = parser("loop { continuing { discard }}");
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auto e = p->loop_stmt();
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EXPECT_FALSE(e.matched);
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EXPECT_TRUE(e.errored);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:29: expected ';' for discard statement");
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}
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} // namespace
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} // namespace wgsl
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} // namespace reader
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} // namespace tint
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