tools/gn/args_unittest.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "tools/gn/args.h"
   6
   7 #include "testing/gtest/include/gtest/gtest.h"
   8 #include "tools/gn/scheduler.h"
   9 #include "tools/gn/test_with_scope.h"
  10
  11 // Assertions for VerifyAllOverridesUsed() and DeclareArgs() with multiple
  12 // toolchains.
  13 TEST(ArgsTest, VerifyAllOverridesUsed) {
  14   TestWithScope setup1, setup2;
  15   Args args;
  16   Scope::KeyValueMap key_value_map1;
  17   Err err;
  18   LiteralNode assignment1;
  19
  20   setup1.scope()->SetValue("a", Value(nullptr, true), &assignment1);
  21   setup1.scope()->GetCurrentScopeValues(&key_value_map1);
  22   EXPECT_TRUE(args.DeclareArgs(key_value_map1, setup1.scope(), &err));
  23
  24   LiteralNode assignment2;
  25   setup2.scope()->SetValue("b", Value(nullptr, true), &assignment2);
  26   Scope::KeyValueMap key_value_map2;
  27   setup2.scope()->GetCurrentScopeValues(&key_value_map2);
  28   EXPECT_TRUE(args.DeclareArgs(key_value_map2, setup2.scope(), &err));
  29
  30   // Override "a", shouldn't see any errors as "a" was defined.
  31   args.AddArgOverride("a", Value(nullptr, true));
  32   EXPECT_TRUE(args.VerifyAllOverridesUsed(&err));
  33
  34   // Override "a", & "b", shouldn't see any errors as both were defined.
  35   args.AddArgOverride("b", Value(nullptr, true));
  36   EXPECT_TRUE(args.VerifyAllOverridesUsed(&err));
  37
  38   // Override "a", "b" and "c", should fail as "c" was not defined.
  39   args.AddArgOverride("c", Value(nullptr, true));
  40   EXPECT_FALSE(args.VerifyAllOverridesUsed(&err));
  41 }