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 "gn/config.h"
6 #include "gn/test_with_scope.h"
7 #include "util/test/test.h"
8
9 // Tests that the "resolved" values are the same as "own" values when there
10 // are no subconfigs.
TEST(Config,ResolvedNoSub)11 TEST(Config, ResolvedNoSub) {
12 TestWithScope setup;
13 Err err;
14
15 Config config(setup.settings(), Label(SourceDir("//foo/"), "bar"));
16 config.own_values().defines().push_back("FOO");
17 ASSERT_TRUE(config.OnResolved(&err));
18
19 // The resolved values should be the same as the value we put in to
20 // own_values().
21 ASSERT_EQ(1u, config.resolved_values().defines().size());
22 EXPECT_EQ("FOO", config.resolved_values().defines()[0]);
23
24 // As an optimization, the string should actually refer to the original. This
25 // isn't required to pass for semantic correctness, though.
26 EXPECT_TRUE(&config.own_values() == &config.resolved_values());
27 }
28
29 // Tests that subconfigs are resolved in the correct order.
TEST(Config,ResolvedSub)30 TEST(Config, ResolvedSub) {
31 TestWithScope setup;
32 Err err;
33
34 Config sub1(setup.settings(), Label(SourceDir("//foo/"), "1"));
35 sub1.own_values().defines().push_back("ONE");
36 ASSERT_TRUE(sub1.OnResolved(&err));
37
38 Config sub2(setup.settings(), Label(SourceDir("//foo/"), "2"));
39 sub2.own_values().defines().push_back("TWO");
40 ASSERT_TRUE(sub2.OnResolved(&err));
41
42 Config config(setup.settings(), Label(SourceDir("//foo/"), "bar"));
43 config.own_values().defines().push_back("FOO");
44 config.configs().push_back(LabelConfigPair(&sub1));
45 config.configs().push_back(LabelConfigPair(&sub2));
46 ASSERT_TRUE(config.OnResolved(&err));
47
48 // The resolved values should be the same as the value we put in to
49 // own_values().
50 ASSERT_EQ(3u, config.resolved_values().defines().size());
51 EXPECT_EQ("FOO", config.resolved_values().defines()[0]);
52 EXPECT_EQ("ONE", config.resolved_values().defines()[1]);
53 EXPECT_EQ("TWO", config.resolved_values().defines()[2]);
54
55 // The "own" values should be unchanged.
56 ASSERT_EQ(1u, config.own_values().defines().size());
57 EXPECT_EQ("FOO", config.own_values().defines()[0]);
58 }
59
60 // Tests that subconfigs of subconfigs are resolved properly.
TEST(Config,SubSub)61 TEST(Config, SubSub) {
62 TestWithScope setup;
63 Err err;
64
65 // Set up first -> middle -> last configs.
66 Config last(setup.settings(), Label(SourceDir("//foo/"), "last"));
67 last.own_values().defines().push_back("LAST");
68 ASSERT_TRUE(last.OnResolved(&err));
69
70 Config middle(setup.settings(), Label(SourceDir("//foo/"), "middle"));
71 middle.own_values().defines().push_back("MIDDLE");
72 middle.configs().push_back(LabelConfigPair(&last));
73 ASSERT_TRUE(middle.OnResolved(&err));
74
75 Config first(setup.settings(), Label(SourceDir("//foo/"), "first"));
76 first.own_values().defines().push_back("FIRST");
77 first.configs().push_back(LabelConfigPair(&middle));
78 ASSERT_TRUE(first.OnResolved(&err));
79
80 // Check final resolved defines on "first".
81 ASSERT_EQ(3u, first.resolved_values().defines().size());
82 EXPECT_EQ("FIRST", first.resolved_values().defines()[0]);
83 EXPECT_EQ("MIDDLE", first.resolved_values().defines()[1]);
84 EXPECT_EQ("LAST", first.resolved_values().defines()[2]);
85 }
86