| // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "tools/gn/input_file.h" |
| #include "tools/gn/parse_tree.h" |
| #include "tools/gn/scope.h" |
| #include "tools/gn/test_with_scope.h" |
| |
| TEST(Scope, NonRecursiveMergeTo) { |
| TestWithScope setup; |
| |
| // Make a pretend parse node with proper tracking that we can blame for the |
| // given value. |
| InputFile input_file(SourceFile("//foo")); |
| Token assignment_token(Location(&input_file, 1, 1), Token::STRING, |
| "\"hello\""); |
| LiteralNode assignment; |
| assignment.set_value(assignment_token); |
| |
| Value old_value(&assignment, "hello"); |
| setup.scope()->SetValue("v", old_value, &assignment); |
| |
| // Detect collisions of values' values. |
| { |
| Scope new_scope(setup.settings()); |
| Value new_value(&assignment, "goodbye"); |
| new_scope.SetValue("v", new_value, &assignment); |
| |
| Err err; |
| EXPECT_FALSE(new_scope.NonRecursiveMergeTo( |
| setup.scope(), &assignment, "error", &err)); |
| EXPECT_TRUE(err.has_error()); |
| } |
| |
| // Don't flag values that technically collide but have the same value. |
| { |
| Scope new_scope(setup.settings()); |
| Value new_value(&assignment, "hello"); |
| new_scope.SetValue("v", new_value, &assignment); |
| |
| Err err; |
| EXPECT_TRUE(new_scope.NonRecursiveMergeTo( |
| setup.scope(), &assignment, "error", &err)); |
| EXPECT_FALSE(err.has_error()); |
| } |
| } |