init: Add tests and document the new fnmatch behavior in ExternalFirmwareHandler.

Bug: N/A
Test: atest CtsInitTestCases
Change-Id: I232db8416318ba31ea3f78cc07f235d9a47efac4

1 files changed, 17 insertions, 0 deletions

diff --git a/init/firmware_handler_test.cpp b/init/firmware_handler_test.cpp
index 5124a6f41..f6e75b01f 100644
--- a/init/firmware_handler_test.cpp
+++ b/init/firmware_handler_test.cpp
@@ -103,6 +103,23 @@ int HandleBadPath(int argc, char** argv) {
     return 0;
 }
 
+TEST(firmware_handler, Matching) {
+    ExternalFirmwareHandler h("/dev/path/a.bin", getuid(), "/test");
+    ASSERT_TRUE(h.match("/dev/path/a.bin"));
+    ASSERT_FALSE(h.match("/dev/path/a.bi"));
+
+    h = ExternalFirmwareHandler("/dev/path/a.*", getuid(), "/test");
+    ASSERT_TRUE(h.match("/dev/path/a.bin"));
+    ASSERT_TRUE(h.match("/dev/path/a.bix"));
+    ASSERT_FALSE(h.match("/dev/path/b.bin"));
+
+    h = ExternalFirmwareHandler("/dev/*/a.bin", getuid(), "/test");
+    ASSERT_TRUE(h.match("/dev/path/a.bin"));
+    ASSERT_TRUE(h.match("/dev/other/a.bin"));
+    ASSERT_FALSE(h.match("/dev/other/c.bin"));
+    ASSERT_FALSE(h.match("/dev/path/b.bin"));
+}
+
 }  // namespace init
 }  // namespace android