1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/does-not-equals/bigint-and-non-finite.js b/js/src/tests/test262/language/expressions/does-not-equals/bigint-and-non-finite.js
new file mode 100644
index 0000000000..fece08b149
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/does-not-equals/bigint-and-non-finite.js
@@ -0,0 +1,31 @@
+// 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 non-finite Number values
+esid: sec-abstract-equality-comparison
+info: |
+  12. If Type(x) is BigInt and Type(y) is Number, or if Type(x) is Number and Type(y) is BigInt,
+    a. If x or y are any of NaN, +∞, or -∞, return false.
+
+features: [BigInt]
+---*/
+assert.sameValue(0n != Infinity, true, 'The result of (0n != Infinity) is true');
+assert.sameValue(Infinity != 0n, true, 'The result of (Infinity != 0n) is true');
+assert.sameValue(1n != Infinity, true, 'The result of (1n != Infinity) is true');
+assert.sameValue(Infinity != 1n, true, 'The result of (Infinity != 1n) is true');
+assert.sameValue(-1n != Infinity, true, 'The result of (-1n != Infinity) is true');
+assert.sameValue(Infinity != -1n, true, 'The result of (Infinity != -1n) is true');
+assert.sameValue(0n != -Infinity, true, 'The result of (0n != -Infinity) is true');
+assert.sameValue(-Infinity != 0n, true, 'The result of (-Infinity != 0n) is true');
+assert.sameValue(1n != -Infinity, true, 'The result of (1n != -Infinity) is true');
+assert.sameValue(-Infinity != 1n, true, 'The result of (-Infinity != 1n) is true');
+assert.sameValue(-1n != -Infinity, true, 'The result of (-1n != -Infinity) is true');
+assert.sameValue(-Infinity != -1n, true, 'The result of (-Infinity != -1n) is true');
+assert.sameValue(0n != NaN, true, 'The result of (0n != NaN) is true');
+assert.sameValue(NaN != 0n, true, 'The result of (NaN != 0n) is true');
+assert.sameValue(1n != NaN, true, 'The result of (1n != NaN) is true');
+assert.sameValue(NaN != 1n, true, 'The result of (NaN != 1n) is true');
+assert.sameValue(-1n != NaN, true, 'The result of (-1n != NaN) is true');
+assert.sameValue(NaN != -1n, true, 'The result of (NaN != -1n) is true');
+
+reportCompare(0, 0);