1 files changed, 68 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/does-not-equals/bigint-and-string.js b/js/src/tests/test262/language/expressions/does-not-equals/bigint-and-string.js
new file mode 100644
index 0000000000..a16d382ae7
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/does-not-equals/bigint-and-string.js
@@ -0,0 +1,68 @@
+// Copyright (C) 2017 Josh Wolfe. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Non-strict inequality comparison of BigInt and String values
+esid: sec-abstract-equality-comparison
+info: |
+  1. If Type(x) is different from Type(y), return false.
+
+features: [BigInt]
+---*/
+assert.sameValue(0n != '', false, 'The result of (0n != "") is false');
+assert.sameValue('' != 0n, false, 'The result of ("" != 0n) is false');
+assert.sameValue(0n != '-0', false, 'The result of (0n != "-0") is false');
+assert.sameValue('-0' != 0n, false, 'The result of ("-0" != 0n) is false');
+assert.sameValue(0n != '0', false, 'The result of (0n != "0") is false');
+assert.sameValue('0' != 0n, false, 'The result of ("0" != 0n) is false');
+assert.sameValue(0n != '-1', true, 'The result of (0n != "-1") is true');
+assert.sameValue('-1' != 0n, true, 'The result of ("-1" != 0n) is true');
+assert.sameValue(0n != '1', true, 'The result of (0n != "1") is true');
+assert.sameValue('1' != 0n, true, 'The result of ("1" != 0n) is true');
+assert.sameValue(0n != 'foo', true, 'The result of (0n != "foo") is true');
+assert.sameValue('foo' != 0n, true, 'The result of ("foo" != 0n) is true');
+assert.sameValue(1n != '', true, 'The result of (1n != "") is true');
+assert.sameValue('' != 1n, true, 'The result of ("" != 1n) is true');
+assert.sameValue(1n != '-0', true, 'The result of (1n != "-0") is true');
+assert.sameValue('-0' != 1n, true, 'The result of ("-0" != 1n) is true');
+assert.sameValue(1n != '0', true, 'The result of (1n != "0") is true');
+assert.sameValue('0' != 1n, true, 'The result of ("0" != 1n) is true');
+assert.sameValue(1n != '-1', true, 'The result of (1n != "-1") is true');
+assert.sameValue('-1' != 1n, true, 'The result of ("-1" != 1n) is true');
+assert.sameValue(1n != '1', false, 'The result of (1n != "1") is false');
+assert.sameValue('1' != 1n, false, 'The result of ("1" != 1n) is false');
+assert.sameValue(1n != 'foo', true, 'The result of (1n != "foo") is true');
+assert.sameValue('foo' != 1n, true, 'The result of ("foo" != 1n) is true');
+assert.sameValue(-1n != '-', true, 'The result of (-1n != "-") is true');
+assert.sameValue('-' != -1n, true, 'The result of ("-" != -1n) is true');
+assert.sameValue(-1n != '-0', true, 'The result of (-1n != "-0") is true');
+assert.sameValue('-0' != -1n, true, 'The result of ("-0" != -1n) is true');
+assert.sameValue(-1n != '-1', false, 'The result of (-1n != "-1") is false');
+assert.sameValue('-1' != -1n, false, 'The result of ("-1" != -1n) is false');
+assert.sameValue(-1n != '-foo', true, 'The result of (-1n != "-foo") is true');
+assert.sameValue('-foo' != -1n, true, 'The result of ("-foo" != -1n) is true');
+
+assert.sameValue(
+  900719925474099101n != '900719925474099101',
+  false,
+  'The result of (900719925474099101n != "900719925474099101") is false'
+);
+
+assert.sameValue(
+  '900719925474099101' != 900719925474099101n,
+  false,
+  'The result of ("900719925474099101" != 900719925474099101n) is false'
+);
+
+assert.sameValue(
+  900719925474099102n != '900719925474099101',
+  true,
+  'The result of (900719925474099102n != "900719925474099101") is true'
+);
+
+assert.sameValue(
+  '900719925474099101' != 900719925474099102n,
+  true,
+  'The result of ("900719925474099101" != 900719925474099102n) is true'
+);
+
+reportCompare(0, 0);