1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/built-ins/unescape/argument_types.js b/js/src/tests/test262/annexB/built-ins/unescape/argument_types.js
new file mode 100644
index 0000000000..008e1a1bdb
--- /dev/null
+++ b/js/src/tests/test262/annexB/built-ins/unescape/argument_types.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2020 Qu Xing. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-unescape-string
+description: Input is a null, undefined, boolean or Number
+info: |
+    B.2.1.2 unescape ( string )
+
+    1. Set string to ? ToString(string).
+    ...
+---*/
+
+assert.sameValue(unescape(null), 'null');
+
+assert.sameValue(unescape(undefined), 'undefined');
+
+assert.sameValue(unescape(), 'undefined');
+
+assert.sameValue(unescape(true), 'true');
+
+assert.sameValue(unescape(false), 'false');
+
+assert.sameValue(unescape(-0), '0');
+
+assert.sameValue(unescape(0), '0');
+
+assert.sameValue(unescape(1), '1');
+
+assert.sameValue(unescape(NaN), 'NaN');
+
+assert.sameValue(unescape(Number.POSITIVE_INFINITY), 'Infinity');
+
+assert.sameValue(unescape(Number.NEGATIVE_INFINITY), '-Infinity');
+
+reportCompare(0, 0);