| // 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/ast/call_statement.h" |
| #include "src/tint/reader/wgsl/parser_impl_test_helper.h" |
| |
| namespace tint::reader::wgsl { |
| namespace { |
| |
| TEST_F(ParserImplTest, Statement_Call) { |
| auto p = parser("a();"); |
| auto e = p->statement(); |
| ASSERT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| |
| EXPECT_EQ(e->source.range.begin.line, 1u); |
| EXPECT_EQ(e->source.range.begin.column, 1u); |
| EXPECT_EQ(e->source.range.end.line, 1u); |
| EXPECT_EQ(e->source.range.end.column, 2u); |
| |
| ASSERT_TRUE(e->Is<ast::CallStatement>()); |
| auto* c = e->As<ast::CallStatement>()->expr; |
| |
| EXPECT_EQ(c->target.name->symbol, p->builder().Symbols().Get("a")); |
| |
| EXPECT_EQ(c->args.size(), 0u); |
| } |
| |
| TEST_F(ParserImplTest, Statement_Call_WithParams) { |
| auto p = parser("a(1, b, 2 + 3 / b);"); |
| auto e = p->statement(); |
| ASSERT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| |
| ASSERT_TRUE(e->Is<ast::CallStatement>()); |
| auto* c = e->As<ast::CallStatement>()->expr; |
| |
| EXPECT_EQ(c->target.name->symbol, p->builder().Symbols().Get("a")); |
| |
| EXPECT_EQ(c->args.size(), 3u); |
| EXPECT_TRUE(c->args[0]->Is<ast::IntLiteralExpression>()); |
| EXPECT_TRUE(c->args[1]->Is<ast::IdentifierExpression>()); |
| EXPECT_TRUE(c->args[2]->Is<ast::BinaryExpression>()); |
| } |
| |
| TEST_F(ParserImplTest, Statement_Call_WithParams_TrailingComma) { |
| auto p = parser("a(1, b,);"); |
| auto e = p->statement(); |
| ASSERT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| |
| ASSERT_TRUE(e->Is<ast::CallStatement>()); |
| auto* c = e->As<ast::CallStatement>()->expr; |
| |
| EXPECT_EQ(c->target.name->symbol, p->builder().Symbols().Get("a")); |
| |
| EXPECT_EQ(c->args.size(), 2u); |
| EXPECT_TRUE(c->args[0]->Is<ast::IntLiteralExpression>()); |
| EXPECT_TRUE(c->args[1]->Is<ast::IdentifierExpression>()); |
| } |
| |
| TEST_F(ParserImplTest, Statement_Call_Missing_RightParen) { |
| auto p = parser("a("); |
| auto e = p->statement(); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_TRUE(e.errored); |
| EXPECT_FALSE(e.matched); |
| EXPECT_EQ(p->error(), "1:3: expected ')' for function call"); |
| } |
| |
| TEST_F(ParserImplTest, Statement_Call_Missing_Semi) { |
| auto p = parser("a()"); |
| auto e = p->statement(); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_TRUE(e.errored); |
| EXPECT_FALSE(e.matched); |
| EXPECT_EQ(p->error(), "1:4: expected ';' for function call"); |
| } |
| |
| TEST_F(ParserImplTest, Statement_Call_Bad_ArgList) { |
| auto p = parser("a(b c);"); |
| auto e = p->statement(); |
| EXPECT_TRUE(p->has_error()); |
| EXPECT_TRUE(e.errored); |
| EXPECT_FALSE(e.matched); |
| EXPECT_EQ(p->error(), "1:5: expected ')' for function call"); |
| } |
| |
| } // namespace |
| } // namespace tint::reader::wgsl |