| // Copyright 2020 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "src/reader/wgsl/parser_impl_test_helper.h" |
| |
| namespace tint { |
| namespace reader { |
| namespace wgsl { |
| namespace { |
| |
| TEST_F(ParserImplTest, Decoration_Size) { |
| auto p = parser("size(4)"); |
| auto deco = p->decoration(); |
| EXPECT_TRUE(deco.matched); |
| EXPECT_FALSE(deco.errored); |
| ASSERT_NE(deco.value, nullptr); |
| ASSERT_FALSE(p->has_error()); |
| |
| auto* member_deco = deco.value->As<ast::Decoration>(); |
| ASSERT_NE(member_deco, nullptr); |
| ASSERT_TRUE(member_deco->Is<ast::StructMemberSizeDecoration>()); |
| |
| auto* o = member_deco->As<ast::StructMemberSizeDecoration>(); |
| EXPECT_EQ(o->size, 4u); |
| } |
| |
| TEST_F(ParserImplTest, Decoration_Size_MissingLeftParen) { |
| auto p = parser("size 4)"); |
| auto deco = p->decoration(); |
| EXPECT_FALSE(deco.matched); |
| EXPECT_TRUE(deco.errored); |
| EXPECT_EQ(deco.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:6: expected '(' for size decoration"); |
| } |
| |
| TEST_F(ParserImplTest, Decoration_Size_MissingRightParen) { |
| auto p = parser("size(4"); |
| auto deco = p->decoration(); |
| EXPECT_FALSE(deco.matched); |
| EXPECT_TRUE(deco.errored); |
| EXPECT_EQ(deco.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:7: expected ')' for size decoration"); |
| } |
| |
| TEST_F(ParserImplTest, Decoration_Size_MissingValue) { |
| auto p = parser("size()"); |
| auto deco = p->decoration(); |
| EXPECT_FALSE(deco.matched); |
| EXPECT_TRUE(deco.errored); |
| EXPECT_EQ(deco.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), |
| "1:6: expected signed integer literal for size decoration"); |
| } |
| |
| TEST_F(ParserImplTest, Decoration_Size_MissingInvalid) { |
| auto p = parser("size(nan)"); |
| auto deco = p->decoration(); |
| EXPECT_FALSE(deco.matched); |
| EXPECT_TRUE(deco.errored); |
| EXPECT_EQ(deco.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), |
| "1:6: expected signed integer literal for size decoration"); |
| } |
| |
| TEST_F(ParserImplTest, Decoration_Align) { |
| auto p = parser("align(4)"); |
| auto deco = p->decoration(); |
| EXPECT_TRUE(deco.matched); |
| EXPECT_FALSE(deco.errored); |
| ASSERT_NE(deco.value, nullptr); |
| ASSERT_FALSE(p->has_error()); |
| |
| auto* member_deco = deco.value->As<ast::Decoration>(); |
| ASSERT_NE(member_deco, nullptr); |
| ASSERT_TRUE(member_deco->Is<ast::StructMemberAlignDecoration>()); |
| |
| auto* o = member_deco->As<ast::StructMemberAlignDecoration>(); |
| EXPECT_EQ(o->align, 4u); |
| } |
| |
| TEST_F(ParserImplTest, Decoration_Align_MissingLeftParen) { |
| auto p = parser("align 4)"); |
| auto deco = p->decoration(); |
| EXPECT_FALSE(deco.matched); |
| EXPECT_TRUE(deco.errored); |
| EXPECT_EQ(deco.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:7: expected '(' for align decoration"); |
| } |
| |
| TEST_F(ParserImplTest, Decoration_Align_MissingRightParen) { |
| auto p = parser("align(4"); |
| auto deco = p->decoration(); |
| EXPECT_FALSE(deco.matched); |
| EXPECT_TRUE(deco.errored); |
| EXPECT_EQ(deco.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:8: expected ')' for align decoration"); |
| } |
| |
| TEST_F(ParserImplTest, Decoration_Align_MissingValue) { |
| auto p = parser("align()"); |
| auto deco = p->decoration(); |
| EXPECT_FALSE(deco.matched); |
| EXPECT_TRUE(deco.errored); |
| EXPECT_EQ(deco.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), |
| "1:7: expected signed integer literal for align decoration"); |
| } |
| |
| TEST_F(ParserImplTest, Decoration_Align_MissingInvalid) { |
| auto p = parser("align(nan)"); |
| auto deco = p->decoration(); |
| EXPECT_FALSE(deco.matched); |
| EXPECT_TRUE(deco.errored); |
| EXPECT_EQ(deco.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), |
| "1:7: expected signed integer literal for align decoration"); |
| } |
| |
| } // namespace |
| } // namespace wgsl |
| } // namespace reader |
| } // namespace tint |