1 files changed, 31 insertions, 0 deletions
diff --git a/devtools/shared/tests/unit/test_fetch-chrome.js b/devtools/shared/tests/unit/test_fetch-chrome.js
new file mode 100644
index 000000000..441d4c7ba
--- /dev/null
+++ b/devtools/shared/tests/unit/test_fetch-chrome.js
@@ -0,0 +1,31 @@
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Tests for DevToolsUtils.fetch on chrome:// URI's.
+
+const URL_FOUND = "chrome://devtools-shared/locale/debugger.properties";
+const URL_NOT_FOUND = "chrome://this/is/not/here.js";
+
+/**
+ * Test that non-existent files are handled correctly.
+ */
+add_task(function* test_missing() {
+  yield DevToolsUtils.fetch(URL_NOT_FOUND).then(result => {
+    do_print(result);
+    ok(false, "fetch resolved unexpectedly for non-existent chrome:// URI");
+  }, () => {
+    ok(true, "fetch rejected as the chrome:// URI was non-existent.");
+  });
+});
+
+/**
+ * Tests that existing files are handled correctly.
+ */
+add_task(function* test_normal() {
+  yield DevToolsUtils.fetch(URL_FOUND).then(result => {
+    notDeepEqual(result.content, "",
+      "chrome:// URI seems to be read correctly.");
+  });
+});