1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/bitwise-not/bigint.js b/js/src/tests/test262/language/expressions/bitwise-not/bigint.js
new file mode 100644
index 0000000000..dd1a896882
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/bitwise-not/bigint.js
@@ -0,0 +1,39 @@
+// Copyright (C) 2017 Josh Wolfe. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Bitwise NOT for BigInt values
+esid: sec-numeric-types-bigint-bitwiseNOT
+info: |
+  BigInt::bitwiseNOT (x)
+
+  The abstract operation BigInt::bitwiseNOT with an argument x of BigInt type returns the one's complement of x; that is, -x - 1.
+
+features: [BigInt]
+---*/
+
+assert.sameValue(~0n, -1n, "~0n === -1n");
+assert.sameValue(~(0n), -1n, "~(0n) === -1n");
+assert.sameValue(~1n, -2n, "~1n === -2n");
+assert.sameValue(~-1n, 0n, "~-1n === 0n");
+assert.sameValue(~(-1n), 0n, "~(-1n) === 0n");
+assert.sameValue(~~1n, 1n, "~~1n === 1n");
+assert.sameValue(~0x5an, -0x5bn, "~0x5an === -0x5bn");
+assert.sameValue(~-0x5an, 0x59n, "~-0x5an === 0x59n");
+assert.sameValue(~0xffn, -0x100n, "~0xffn === -0x100n");
+assert.sameValue(~-0xffn, 0xfen, "~-0xffn === 0xfen");
+assert.sameValue(~0xffffn, -0x10000n, "~0xffffn === -0x10000n");
+assert.sameValue(~-0xffffn, 0xfffen, "~-0xffffn === 0xfffen");
+assert.sameValue(~0xffffffffn, -0x100000000n, "~0xffffffffn === -0x100000000n");
+assert.sameValue(~-0xffffffffn, 0xfffffffen, "~-0xffffffffn === 0xfffffffen");
+assert.sameValue(
+  ~0xffffffffffffffffn, -0x10000000000000000n,
+  "~0xffffffffffffffffn === -0x10000000000000000n");
+assert.sameValue(
+  ~-0xffffffffffffffffn, 0xfffffffffffffffen,
+  "~-0xffffffffffffffffn === 0xfffffffffffffffen");
+assert.sameValue(
+  ~0x123456789abcdef0fedcba9876543210n, -0x123456789abcdef0fedcba9876543211n,
+  "~0x123456789abcdef0fedcba9876543210n === -0x123456789abcdef0fedcba9876543211n");
+
+reportCompare(0, 0);