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-rw-r--r--xpcom/tests/unit/test_hidden_files.js24
1 files changed, 24 insertions, 0 deletions
diff --git a/xpcom/tests/unit/test_hidden_files.js b/xpcom/tests/unit/test_hidden_files.js
new file mode 100644
index 0000000000..27d87e6f54
--- /dev/null
+++ b/xpcom/tests/unit/test_hidden_files.js
@@ -0,0 +1,24 @@
+const NS_OS_TEMP_DIR = "TmpD";
+
+var hiddenUnixFile;
+function createUNIXHiddenFile() {
+ var tmpDir = Services.dirsvc.get(NS_OS_TEMP_DIR, Ci.nsIFile);
+ hiddenUnixFile = tmpDir.clone();
+ hiddenUnixFile.append(".foo");
+ // we don't care if this already exists because we don't care
+ // about the file's contents (just the name)
+ if (!hiddenUnixFile.exists()) {
+ hiddenUnixFile.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0o666);
+ }
+ return hiddenUnixFile.exists();
+}
+
+function run_test() {
+ // Skip this test on Windows
+ if (mozinfo.os == "win") {
+ return;
+ }
+
+ Assert.ok(createUNIXHiddenFile());
+ Assert.ok(hiddenUnixFile.isHidden());
+}