| // Copyright 2020 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
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| // this software without specific prior written permission. |
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| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| |
| #include "src/tint/lang/wgsl/ast/workgroup_attribute.h" |
| #include "src/tint/lang/wgsl/reader/parser/helper_test.h" |
| |
| namespace tint::wgsl::reader { |
| namespace { |
| |
| TEST_F(WGSLParserTest, FunctionAttributeList_Parses) { |
| auto p = parser("@workgroup_size(2) @compute"); |
| auto attrs = p->attribute_list(); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| EXPECT_FALSE(attrs.errored); |
| EXPECT_TRUE(attrs.matched); |
| ASSERT_EQ(attrs.value.Length(), 2u); |
| |
| auto* attr_0 = attrs.value[0]->As<ast::Attribute>(); |
| auto* attr_1 = attrs.value[1]->As<ast::Attribute>(); |
| ASSERT_NE(attr_0, nullptr); |
| ASSERT_NE(attr_1, nullptr); |
| |
| ASSERT_TRUE(attr_0->Is<ast::WorkgroupAttribute>()); |
| const ast::Expression* x = attr_0->As<ast::WorkgroupAttribute>()->x; |
| ASSERT_NE(x, nullptr); |
| auto* x_literal = x->As<ast::LiteralExpression>(); |
| ASSERT_NE(x_literal, nullptr); |
| ASSERT_TRUE(x_literal->Is<ast::IntLiteralExpression>()); |
| EXPECT_EQ(x_literal->As<ast::IntLiteralExpression>()->value, 2); |
| EXPECT_EQ(x_literal->As<ast::IntLiteralExpression>()->suffix, |
| ast::IntLiteralExpression::Suffix::kNone); |
| ASSERT_TRUE(attr_1->Is<ast::StageAttribute>()); |
| EXPECT_EQ(attr_1->As<ast::StageAttribute>()->stage, ast::PipelineStage::kCompute); |
| } |
| |
| TEST_F(WGSLParserTest, FunctionAttributeList_Invalid) { |
| auto p = parser("@invalid"); |
| auto attrs = p->attribute_list(); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_TRUE(attrs.errored); |
| EXPECT_FALSE(attrs.matched); |
| EXPECT_TRUE(attrs.value.IsEmpty()); |
| EXPECT_EQ(p->error(), R"(1:2: expected attribute |
| Did you mean 'invariant'? |
| Possible values: 'align', 'binding', 'blend_src', 'builtin', 'color', 'compute', 'diagnostic', 'fragment', 'group', 'id', 'interpolate', 'invariant', 'location', 'must_use', 'size', 'vertex', 'workgroup_size')"); |
| } |
| |
| } // namespace |
| } // namespace tint::wgsl::reader |