1 // Copyright 2020 The Tint Authors.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "src/ast/struct_block_decoration.h"
16 #include "src/reader/wgsl/parser_impl_test_helper.h"
17
18 namespace tint {
19 namespace reader {
20 namespace wgsl {
21 namespace {
22
23 struct DecorationData {
24 const char* input;
25 bool is_block;
26 };
operator <<(std::ostream & out,DecorationData data)27 inline std::ostream& operator<<(std::ostream& out, DecorationData data) {
28 out << std::string(data.input);
29 return out;
30 }
31
32 class DecorationTest : public ParserImplTestWithParam<DecorationData> {};
33
TEST_P(DecorationTest,Parses)34 TEST_P(DecorationTest, Parses) {
35 auto params = GetParam();
36 auto p = parser(params.input);
37
38 auto deco = p->decoration();
39 ASSERT_FALSE(p->has_error());
40 EXPECT_TRUE(deco.matched);
41 EXPECT_FALSE(deco.errored);
42 ASSERT_NE(deco.value, nullptr);
43 auto* struct_deco = deco.value->As<ast::Decoration>();
44 ASSERT_NE(struct_deco, nullptr);
45 EXPECT_EQ(struct_deco->Is<ast::StructBlockDecoration>(), params.is_block);
46 }
47 INSTANTIATE_TEST_SUITE_P(ParserImplTest,
48 DecorationTest,
49 testing::Values(DecorationData{"block", true}));
50
TEST_F(ParserImplTest,Decoration_NoMatch)51 TEST_F(ParserImplTest, Decoration_NoMatch) {
52 auto p = parser("not-a-stage");
53 auto deco = p->decoration();
54 EXPECT_FALSE(deco.matched);
55 EXPECT_FALSE(deco.errored);
56 ASSERT_EQ(deco.value, nullptr);
57 }
58
59 } // namespace
60 } // namespace wgsl
61 } // namespace reader
62 } // namespace tint
63