1 files changed, 35 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_unescapestring.js b/netwerk/test/unit/test_unescapestring.js
new file mode 100644
index 0000000000..9853d2c0af
--- /dev/null
+++ b/netwerk/test/unit/test_unescapestring.js
@@ -0,0 +1,35 @@
+"use strict";
+
+const ONLY_NONASCII = Ci.nsINetUtil.ESCAPE_URL_ONLY_NONASCII;
+const SKIP_CONTROL = Ci.nsINetUtil.ESCAPE_URL_SKIP_CONTROL;
+
+var tests = [
+  ["foo", "foo", 0],
+  ["foo%20bar", "foo bar", 0],
+  ["foo%2zbar", "foo%2zbar", 0],
+  ["foo%", "foo%", 0],
+  ["%zzfoo", "%zzfoo", 0],
+  ["foo%z", "foo%z", 0],
+  ["foo%00bar", "foo\x00bar", 0],
+  ["foo%ffbar", "foo\xffbar", 0],
+  ["%00%1b%20%61%7f%80%ff", "%00%1b%20%61%7f\x80\xff", ONLY_NONASCII],
+  ["%00%1b%20%61%7f%80%ff", "%00%1b a%7f\x80\xff", SKIP_CONTROL],
+  [
+    "%00%1b%20%61%7f%80%ff",
+    "%00%1b%20%61%7f\x80\xff",
+    ONLY_NONASCII | SKIP_CONTROL,
+  ],
+  // Test that we do not drop the high-bytes of a UTF-16 string.
+  ["\u30a8\u30c9", "\xe3\x82\xa8\xe3\x83\x89", 0],
+];
+
+function run_test() {
+  for (var i = 0; i < tests.length; ++i) {
+    dump("Test " + i + " (" + tests[i][0] + ", " + tests[i][2] + ")\n");
+    Assert.equal(
+      Services.io.unescapeString(tests[i][0], tests[i][2]),
+      tests[i][1]
+    );
+  }
+  dump(tests.length + " tests passed\n");
+}