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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "tools/gn/operators.h" | 5 #include "tools/gn/operators.h" |
6 | 6 |
7 #include <stdint.h> | 7 #include <stdint.h> |
8 #include <utility> | 8 #include <utility> |
9 | 9 |
10 #include "testing/gtest/include/gtest/gtest.h" | 10 #include "testing/gtest/include/gtest/gtest.h" |
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323 // Assigning an empty list should succeed. | 323 // Assigning an empty list should succeed. |
324 node.SetRightToValue( | 324 node.SetRightToValue( |
325 Value(nullptr, std::unique_ptr<Scope>(new Scope(setup.settings())))); | 325 Value(nullptr, std::unique_ptr<Scope>(new Scope(setup.settings())))); |
326 node.Execute(setup.scope(), &err); | 326 node.Execute(setup.scope(), &err); |
327 ASSERT_FALSE(err.has_error()); | 327 ASSERT_FALSE(err.has_error()); |
328 new_value = setup.scope()->GetValue(foo); | 328 new_value = setup.scope()->GetValue(foo); |
329 ASSERT_TRUE(new_value); | 329 ASSERT_TRUE(new_value); |
330 ASSERT_EQ(Value::SCOPE, new_value->type()); | 330 ASSERT_EQ(Value::SCOPE, new_value->type()); |
331 ASSERT_FALSE(new_value->scope_value()->HasValues(Scope::SEARCH_CURRENT)); | 331 ASSERT_FALSE(new_value->scope_value()->HasValues(Scope::SEARCH_CURRENT)); |
332 } | 332 } |
| 333 |
| 334 // Tests this case: |
| 335 // foo = 1 |
| 336 // target(...) { |
| 337 // foo += 1 |
| 338 // |
| 339 // This should mark the outer "foo" as used, and the inner "foo" as unused. |
| 340 TEST(Operators, PlusEqualsUsed) { |
| 341 Err err; |
| 342 TestWithScope setup; |
| 343 |
| 344 // Outer "foo" definition, it should be unused. |
| 345 const char foo[] = "foo"; |
| 346 Value old_value(nullptr, static_cast<int64_t>(1)); |
| 347 setup.scope()->SetValue(foo, old_value, nullptr); |
| 348 EXPECT_TRUE(setup.scope()->IsSetButUnused(foo)); |
| 349 |
| 350 // Nested scope. |
| 351 Scope nested(setup.scope()); |
| 352 |
| 353 // Run "foo += 1". |
| 354 TestBinaryOpNode node(Token::PLUS_EQUALS, "+="); |
| 355 node.SetLeftToIdentifier(foo); |
| 356 node.SetRightToValue(Value(nullptr, static_cast<int64_t>(1))); |
| 357 node.Execute(&nested, &err); |
| 358 ASSERT_FALSE(err.has_error()); |
| 359 |
| 360 // Outer foo should be used, inner foo should not be. |
| 361 EXPECT_FALSE(setup.scope()->IsSetButUnused(foo)); |
| 362 EXPECT_TRUE(nested.IsSetButUnused(foo)); |
| 363 } |
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