1 // Copyright 2014 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.
7 #include "testing/gtest/include/gtest/gtest.h"
8 #include "tools/gn/config.h"
9 #include "tools/gn/config_values_extractors.h"
10 #include "tools/gn/target.h"
11 #include "tools/gn/test_with_scope.h"
16 void operator()(const std::string
& dir
, std::ostream
& out
) const {
21 struct IncludeWriter
{
22 void operator()(const SourceDir
& dir
, std::ostream
& out
) const {
23 out
<< dir
.value() << " ";
29 TEST(ConfigValuesExtractors
, IncludeOrdering
) {
32 // Construct a chain of dependencies: target -> dep1 -> dep2
33 // Add representative values: cflags (opaque, always copied) and include_dirs
34 // (uniquified) to each one so we can check what comes out the other end.
36 // Set up dep2, direct and all dependent configs.
37 Config
dep2_all(setup
.settings(), Label(SourceDir("//dep2/"), "all"));
38 dep2_all
.config_values().cflags().push_back("--dep2-all");
39 dep2_all
.config_values().include_dirs().push_back(SourceDir("//dep2/all/"));
41 Config
dep2_direct(setup
.settings(), Label(SourceDir("//dep2/"), "direct"));
42 dep2_direct
.config_values().cflags().push_back("--dep2-direct");
43 dep2_direct
.config_values().include_dirs().push_back(
44 SourceDir("//dep2/direct/"));
46 Target
dep2(setup
.settings(), Label(SourceDir("//dep2/"), "dep2"));
47 dep2
.set_output_type(Target::SOURCE_SET
);
48 dep2
.all_dependent_configs().push_back(LabelConfigPair(&dep2_all
));
49 dep2
.direct_dependent_configs().push_back(LabelConfigPair(&dep2_direct
));
51 // Set up dep1, direct and all dependent configs.
52 Config
dep1_all(setup
.settings(), Label(SourceDir("//dep1/"), "all"));
53 dep1_all
.config_values().cflags().push_back("--dep1-all");
54 dep1_all
.config_values().include_dirs().push_back(SourceDir("//dep1/all/"));
56 Config
dep1_direct(setup
.settings(), Label(SourceDir("//dep1/"), "direct"));
57 dep1_direct
.config_values().cflags().push_back("--dep1-direct");
58 dep1_direct
.config_values().include_dirs().push_back(
59 SourceDir("//dep1/direct/"));
61 Target
dep1(setup
.settings(), Label(SourceDir("//dep1/"), "dep1"));
62 dep1
.set_output_type(Target::SOURCE_SET
);
63 dep1
.all_dependent_configs().push_back(LabelConfigPair(&dep1_all
));
64 dep1
.direct_dependent_configs().push_back(LabelConfigPair(&dep1_direct
));
65 dep1
.deps().push_back(LabelTargetPair(&dep2
));
67 // Set up target, direct and all dependent configs.
68 Config
target_all(setup
.settings(), Label(SourceDir("//target/"), "all"));
69 target_all
.config_values().cflags().push_back("--target-all");
70 target_all
.config_values().include_dirs().push_back(
71 SourceDir("//target/all/"));
73 Config
target_direct(setup
.settings(),
74 Label(SourceDir("//target/"), "direct"));
75 target_direct
.config_values().cflags().push_back("--target-direct");
76 target_direct
.config_values().include_dirs().push_back(
77 SourceDir("//target/direct/"));
79 // This config is applied directly to target.
80 Config
target_config(setup
.settings(),
81 Label(SourceDir("//target/"), "config"));
82 target_config
.config_values().cflags().push_back("--target-config");
83 target_config
.config_values().include_dirs().push_back(
84 SourceDir("//target/config/"));
86 Target
target(setup
.settings(), Label(SourceDir("//target/"), "target"));
87 target
.set_output_type(Target::SOURCE_SET
);
88 target
.all_dependent_configs().push_back(LabelConfigPair(&target_all
));
89 target
.direct_dependent_configs().push_back(LabelConfigPair(&target_direct
));
90 target
.configs().push_back(LabelConfigPair(&target_config
));
91 target
.deps().push_back(LabelTargetPair(&dep1
));
94 // Additionally add some values directly on "target".
95 target
.config_values().cflags().push_back("--target");
96 target
.config_values().include_dirs().push_back(
97 SourceDir("//target/"));
99 // Mark targets resolved. This should push dependent configs.
104 // Verify cflags by serializing.
105 std::ostringstream flag_out
;
106 FlagWriter flag_writer
;
107 RecursiveTargetConfigToStream
<std::string
, FlagWriter
>(
108 &target
, &ConfigValues::cflags
, flag_writer
, flag_out
);
109 EXPECT_EQ(flag_out
.str(),
110 "--target --target-config --target-all --target-direct "
111 "--dep1-all --dep2-all --dep1-direct ");
113 // Verify include dirs by serializing.
114 std::ostringstream include_out
;
115 IncludeWriter include_writer
;
116 RecursiveTargetConfigToStream
<SourceDir
, IncludeWriter
>(
117 &target
, &ConfigValues::include_dirs
, include_writer
, include_out
);
118 EXPECT_EQ(include_out
.str(),
119 "//target/ //target/config/ //target/all/ //target/direct/ "
120 "//dep1/all/ //dep2/all/ //dep1/direct/ ");