| // 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/ast/binary_expression.h" |
| |
| #include <sstream> |
| |
| #include "src/ast/identifier_expression.h" |
| #include "src/ast/test_helper.h" |
| |
| namespace tint { |
| namespace ast { |
| namespace { |
| |
| using BinaryExpressionTest = TestHelper; |
| |
| TEST_F(BinaryExpressionTest, Creation) { |
| auto* lhs = create<IdentifierExpression>("lhs"); |
| auto* rhs = create<IdentifierExpression>("rhs"); |
| |
| BinaryExpression r(BinaryOp::kEqual, lhs, rhs); |
| EXPECT_EQ(r.lhs(), lhs); |
| EXPECT_EQ(r.rhs(), rhs); |
| EXPECT_EQ(r.op(), BinaryOp::kEqual); |
| } |
| |
| TEST_F(BinaryExpressionTest, Creation_WithSource) { |
| auto* lhs = create<IdentifierExpression>("lhs"); |
| auto* rhs = create<IdentifierExpression>("rhs"); |
| |
| BinaryExpression r(Source{Source::Location{20, 2}}, BinaryOp::kEqual, lhs, |
| rhs); |
| auto src = r.source(); |
| EXPECT_EQ(src.range.begin.line, 20u); |
| EXPECT_EQ(src.range.begin.column, 2u); |
| } |
| |
| TEST_F(BinaryExpressionTest, IsBinary) { |
| auto* lhs = create<IdentifierExpression>("lhs"); |
| auto* rhs = create<IdentifierExpression>("rhs"); |
| |
| BinaryExpression r(BinaryOp::kEqual, lhs, rhs); |
| EXPECT_TRUE(r.Is<BinaryExpression>()); |
| } |
| |
| TEST_F(BinaryExpressionTest, IsValid) { |
| auto* lhs = create<IdentifierExpression>("lhs"); |
| auto* rhs = create<IdentifierExpression>("rhs"); |
| |
| BinaryExpression r(BinaryOp::kEqual, lhs, rhs); |
| EXPECT_TRUE(r.IsValid()); |
| } |
| |
| TEST_F(BinaryExpressionTest, IsValid_Null_LHS) { |
| auto* rhs = create<IdentifierExpression>("rhs"); |
| |
| BinaryExpression r(BinaryOp::kEqual, nullptr, rhs); |
| EXPECT_FALSE(r.IsValid()); |
| } |
| |
| TEST_F(BinaryExpressionTest, IsValid_Invalid_LHS) { |
| auto* lhs = create<IdentifierExpression>(""); |
| auto* rhs = create<IdentifierExpression>("rhs"); |
| |
| BinaryExpression r(BinaryOp::kEqual, lhs, rhs); |
| EXPECT_FALSE(r.IsValid()); |
| } |
| |
| TEST_F(BinaryExpressionTest, IsValid_Null_RHS) { |
| auto* lhs = create<IdentifierExpression>("lhs"); |
| |
| BinaryExpression r(BinaryOp::kEqual, lhs, nullptr); |
| EXPECT_FALSE(r.IsValid()); |
| } |
| |
| TEST_F(BinaryExpressionTest, IsValid_Invalid_RHS) { |
| auto* lhs = create<IdentifierExpression>("lhs"); |
| auto* rhs = create<IdentifierExpression>(""); |
| |
| BinaryExpression r(BinaryOp::kEqual, lhs, rhs); |
| EXPECT_FALSE(r.IsValid()); |
| } |
| |
| TEST_F(BinaryExpressionTest, IsValid_Binary_None) { |
| auto* lhs = create<IdentifierExpression>("lhs"); |
| auto* rhs = create<IdentifierExpression>("rhs"); |
| |
| BinaryExpression r(BinaryOp::kNone, lhs, rhs); |
| EXPECT_FALSE(r.IsValid()); |
| } |
| |
| TEST_F(BinaryExpressionTest, ToStr) { |
| auto* lhs = create<IdentifierExpression>("lhs"); |
| auto* rhs = create<IdentifierExpression>("rhs"); |
| |
| BinaryExpression r(BinaryOp::kEqual, lhs, rhs); |
| std::ostringstream out; |
| r.to_str(out, 2); |
| EXPECT_EQ(out.str(), R"( Binary[not set]{ |
| Identifier[not set]{lhs} |
| equal |
| Identifier[not set]{rhs} |
| } |
| )"); |
| } |
| |
| } // namespace |
| } // namespace ast |
| } // namespace tint |