Add support for Mac/iOS application bundles to GN tool.

tools/gn/target_unittest.cc

Index: tools/gn/target_unittest.cc
diff --git a/tools/gn/target_unittest.cc b/tools/gn/target_unittest.cc
index c99ebe84757264d150022728dde53743b40fa103..315bcc397bbd28818eca6e94b5c9a143fb04998a 100644
--- a/tools/gn/target_unittest.cc
+++ b/tools/gn/target_unittest.cc
@@ -723,3 +723,55 @@ TEST(Target, AssertNoDeps) {
   a2.assert_no_deps().push_back(disallow_a);
   ASSERT_TRUE(a2.OnResolved(&err));
 }
+
+TEST(Target, BundleData) {
+  TestWithScope setup;
+  Err err;
+
+  // A target.
+  TestTarget a(setup, "//a", Target::SOURCE_SET);
+  a.bundle_data().insert(SourceFile("//a/a.dat"));
+  a.bundle_data().insert(SourceFile("//a/a.in"));
+  ASSERT_TRUE(a.OnResolved(&err));
+
+  // B target.
+  TestTarget b(setup, "//b", Target::SOURCE_SET);
+  b.bundle_data().insert(SourceFile("//b/b.dat"));
+  b.private_deps().push_back(LabelTargetPair(&a));
+  ASSERT_TRUE(b.OnResolved(&err));
+
+  // C target.
+  TestTarget c(setup, "//c", Target::COPY_BUNDLE_DATA);
+  c.bundle_data_filter().Append(Pattern("*.in"));
+  c.private_deps().push_back(LabelTargetPair(&b));
+  ASSERT_TRUE(c.OnResolved(&err));
+
+  Target::FileList expected_sources;
+  expected_sources.push_back(SourceFile("//a/a.dat"));
+  expected_sources.push_back(SourceFile("//b/b.dat"));
+  ASSERT_EQ(expected_sources, c.sources());
+}
+
+TEST(Target, BundleDataStopAtExecutable) {
+  TestWithScope setup;
+  Err err;
+
+  // A target.
+  TestTarget a(setup, "//a", Target::SOURCE_SET);
+  a.bundle_data().insert(SourceFile("//a/a.dat"));
+  a.bundle_data().insert(SourceFile("//a/a.in"));
+  ASSERT_TRUE(a.OnResolved(&err));
+
+  // B target.
+  TestTarget b(setup, "//b", Target::EXECUTABLE);
+  b.private_deps().push_back(LabelTargetPair(&a));
+  ASSERT_TRUE(b.OnResolved(&err));
+
+  // C target.
+  TestTarget c(setup, "//c", Target::COPY_BUNDLE_DATA);
+  c.private_deps().push_back(LabelTargetPair(&b));
+  ASSERT_TRUE(c.OnResolved(&err));
+
+  Target::FileList expected_sources;
+  ASSERT_EQ(expected_sources, c.sources());
+}