| // 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/tint/reader/wgsl/parser_impl_test_helper.h" |
| |
| namespace tint::reader::wgsl { |
| namespace { |
| |
| TEST_F(ParserImplTest, VariableStmt_VariableDecl) { |
| auto p = parser("var a : i32;"); |
| auto e = p->variable_stmt(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| ASSERT_TRUE(e->Is<ast::VariableDeclStatement>()); |
| ASSERT_NE(e->variable, nullptr); |
| EXPECT_EQ(e->variable->symbol, p->builder().Symbols().Get("a")); |
| |
| ASSERT_EQ(e->source.range.begin.line, 1u); |
| ASSERT_EQ(e->source.range.begin.column, 5u); |
| ASSERT_EQ(e->source.range.end.line, 1u); |
| ASSERT_EQ(e->source.range.end.column, 6u); |
| |
| EXPECT_EQ(e->variable->constructor, nullptr); |
| } |
| |
| TEST_F(ParserImplTest, VariableStmt_VariableDecl_WithInit) { |
| auto p = parser("var a : i32 = 1;"); |
| auto e = p->variable_stmt(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| ASSERT_TRUE(e->Is<ast::VariableDeclStatement>()); |
| ASSERT_NE(e->variable, nullptr); |
| EXPECT_EQ(e->variable->symbol, p->builder().Symbols().Get("a")); |
| |
| ASSERT_EQ(e->source.range.begin.line, 1u); |
| ASSERT_EQ(e->source.range.begin.column, 5u); |
| ASSERT_EQ(e->source.range.end.line, 1u); |
| ASSERT_EQ(e->source.range.end.column, 6u); |
| |
| ASSERT_NE(e->variable->constructor, nullptr); |
| EXPECT_TRUE(e->variable->constructor->Is<ast::LiteralExpression>()); |
| } |
| |
| TEST_F(ParserImplTest, VariableStmt_VariableDecl_ConstructorInvalid) { |
| auto p = parser("var a : i32 = if(a) {}"); |
| auto e = p->variable_stmt(); |
| EXPECT_FALSE(e.matched); |
| EXPECT_TRUE(e.errored); |
| EXPECT_EQ(e.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:15: missing constructor for variable declaration"); |
| } |
| |
| TEST_F(ParserImplTest, VariableStmt_VariableDecl_ArrayInit) { |
| auto p = parser("var a : array<i32> = array<i32>();"); |
| auto e = p->variable_stmt(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| ASSERT_TRUE(e->Is<ast::VariableDeclStatement>()); |
| ASSERT_NE(e->variable, nullptr); |
| EXPECT_EQ(e->variable->symbol, p->builder().Symbols().Get("a")); |
| |
| ASSERT_NE(e->variable->constructor, nullptr); |
| auto* call = e->variable->constructor->As<ast::CallExpression>(); |
| ASSERT_NE(call, nullptr); |
| EXPECT_EQ(call->target.name, nullptr); |
| EXPECT_NE(call->target.type, nullptr); |
| } |
| |
| TEST_F(ParserImplTest, VariableStmt_VariableDecl_ArrayInit_NoSpace) { |
| auto p = parser("var a : array<i32>=array<i32>();"); |
| auto e = p->variable_stmt(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| ASSERT_TRUE(e->Is<ast::VariableDeclStatement>()); |
| ASSERT_NE(e->variable, nullptr); |
| EXPECT_EQ(e->variable->symbol, p->builder().Symbols().Get("a")); |
| |
| ASSERT_NE(e->variable->constructor, nullptr); |
| auto* call = e->variable->constructor->As<ast::CallExpression>(); |
| ASSERT_NE(call, nullptr); |
| EXPECT_EQ(call->target.name, nullptr); |
| EXPECT_NE(call->target.type, nullptr); |
| } |
| |
| TEST_F(ParserImplTest, VariableStmt_VariableDecl_VecInit) { |
| auto p = parser("var a : vec2<i32> = vec2<i32>();"); |
| auto e = p->variable_stmt(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| ASSERT_TRUE(e->Is<ast::VariableDeclStatement>()); |
| ASSERT_NE(e->variable, nullptr); |
| EXPECT_EQ(e->variable->symbol, p->builder().Symbols().Get("a")); |
| |
| ASSERT_NE(e->variable->constructor, nullptr); |
| auto* call = e->variable->constructor->As<ast::CallExpression>(); |
| ASSERT_NE(call, nullptr); |
| EXPECT_EQ(call->target.name, nullptr); |
| EXPECT_NE(call->target.type, nullptr); |
| } |
| |
| TEST_F(ParserImplTest, VariableStmt_VariableDecl_VecInit_NoSpace) { |
| auto p = parser("var a : vec2<i32>=vec2<i32>();"); |
| auto e = p->variable_stmt(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| ASSERT_TRUE(e->Is<ast::VariableDeclStatement>()); |
| ASSERT_NE(e->variable, nullptr); |
| EXPECT_EQ(e->variable->symbol, p->builder().Symbols().Get("a")); |
| |
| ASSERT_NE(e->variable->constructor, nullptr); |
| auto* call = e->variable->constructor->As<ast::CallExpression>(); |
| ASSERT_NE(call, nullptr); |
| EXPECT_EQ(call->target.name, nullptr); |
| EXPECT_NE(call->target.type, nullptr); |
| } |
| |
| TEST_F(ParserImplTest, VariableStmt_Let) { |
| auto p = parser("let a : i32 = 1"); |
| auto e = p->variable_stmt(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| ASSERT_TRUE(e->Is<ast::VariableDeclStatement>()); |
| |
| ASSERT_EQ(e->source.range.begin.line, 1u); |
| ASSERT_EQ(e->source.range.begin.column, 5u); |
| ASSERT_EQ(e->source.range.end.line, 1u); |
| ASSERT_EQ(e->source.range.end.column, 6u); |
| } |
| |
| TEST_F(ParserImplTest, VariableStmt_Let_MissingEqual) { |
| auto p = parser("let a : i32 1"); |
| auto e = p->variable_stmt(); |
| EXPECT_FALSE(e.matched); |
| EXPECT_TRUE(e.errored); |
| EXPECT_EQ(e.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:13: expected '=' for let declaration"); |
| } |
| |
| TEST_F(ParserImplTest, VariableStmt_Let_MissingConstructor) { |
| auto p = parser("let a : i32 ="); |
| auto e = p->variable_stmt(); |
| EXPECT_FALSE(e.matched); |
| EXPECT_TRUE(e.errored); |
| EXPECT_EQ(e.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:14: missing constructor for let declaration"); |
| } |
| |
| TEST_F(ParserImplTest, VariableStmt_Let_InvalidConstructor) { |
| auto p = parser("let a : i32 = if (a) {}"); |
| auto e = p->variable_stmt(); |
| EXPECT_FALSE(e.matched); |
| EXPECT_TRUE(e.errored); |
| EXPECT_EQ(e.value, nullptr); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:15: missing constructor for let declaration"); |
| } |
| |
| } // namespace |
| } // namespace tint::reader::wgsl |