| // 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/scheduler.h" |
| #include "tools/gn/scope.h" |
| #include "tools/gn/test_with_scope.h" |
| |
| |
| // Checks that we find unused identifiers in targets. |
| TEST(FunctionsTarget, CheckUnused) { |
| Scheduler scheduler; |
| TestWithScope setup; |
| |
| // The target generator needs a place to put the targets or it will fail. |
| Scope::ItemVector item_collector; |
| setup.scope()->set_item_collector(&item_collector); |
| |
| // Test a good one first. |
| TestParseInput good_input( |
| "source_set(\"foo\") {\n" |
| "}\n"); |
| ASSERT_FALSE(good_input.has_error()); |
| Err err; |
| good_input.parsed()->Execute(setup.scope(), &err); |
| ASSERT_FALSE(err.has_error()) << err.message(); |
| |
| // Test a source set (this covers everything but component) with an unused |
| // variable. |
| TestParseInput source_set_input( |
| "source_set(\"foo\") {\n" |
| " unused = 5\n" |
| "}\n"); |
| ASSERT_FALSE(source_set_input.has_error()); |
| err = Err(); |
| source_set_input.parsed()->Execute(setup.scope(), &err); |
| ASSERT_TRUE(err.has_error()); |
| |
| // Test a component, which is a different code path. |
| TestParseInput component_input( |
| "component_mode = \"static_library\"\n" |
| "component(\"bar\") {\n" |
| " unused = 5\n" |
| "}\n"); |
| ASSERT_FALSE(component_input.has_error()); |
| err = Err(); |
| component_input.parsed()->Execute(setup.scope(), &err); |
| ASSERT_TRUE(err.has_error()) << err.message(); |
| } |