summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/built-ins/BigInt/asIntN/arithmetic.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/tests/test262/built-ins/BigInt/asIntN/arithmetic.js')
-rw-r--r--js/src/tests/test262/built-ins/BigInt/asIntN/arithmetic.js68
1 files changed, 68 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/BigInt/asIntN/arithmetic.js b/js/src/tests/test262/built-ins/BigInt/asIntN/arithmetic.js
new file mode 100644
index 0000000000..d049341642
--- /dev/null
+++ b/js/src/tests/test262/built-ins/BigInt/asIntN/arithmetic.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.
+/*---
+esid: pending
+description: BigInt.asIntN arithmetic test cases
+info: |
+ BigInt.asIntN ( bits, bigint )
+
+ 3. Let mod be a BigInt representing bigint modulo 2**bits.
+ 4. If mod ≥ 2**bits - 1, return mod - 2**bits; otherwise, return mod.
+
+features: [BigInt]
+---*/
+
+assert.sameValue(BigInt.asIntN(0, -2n), 0n);
+assert.sameValue(BigInt.asIntN(0, -1n), 0n);
+assert.sameValue(BigInt.asIntN(0, 0n), 0n);
+assert.sameValue(BigInt.asIntN(0, 1n), 0n);
+assert.sameValue(BigInt.asIntN(0, 2n), 0n);
+
+assert.sameValue(BigInt.asIntN(1, -3n), -1n);
+assert.sameValue(BigInt.asIntN(1, -2n), 0n);
+assert.sameValue(BigInt.asIntN(1, -1n), -1n);
+assert.sameValue(BigInt.asIntN(1, 0n), 0n);
+assert.sameValue(BigInt.asIntN(1, 1n), -1n);
+assert.sameValue(BigInt.asIntN(1, 2n), 0n);
+assert.sameValue(BigInt.asIntN(1, 3n), -1n);
+assert.sameValue(BigInt.asIntN(1, -123456789012345678901n), -1n);
+assert.sameValue(BigInt.asIntN(1, -123456789012345678900n), 0n);
+assert.sameValue(BigInt.asIntN(1, 123456789012345678900n), 0n);
+assert.sameValue(BigInt.asIntN(1, 123456789012345678901n), -1n);
+
+assert.sameValue(BigInt.asIntN(2, -3n), 1n);
+assert.sameValue(BigInt.asIntN(2, -2n), -2n);
+assert.sameValue(BigInt.asIntN(2, -1n), -1n);
+assert.sameValue(BigInt.asIntN(2, 0n), 0n);
+assert.sameValue(BigInt.asIntN(2, 1n), 1n);
+assert.sameValue(BigInt.asIntN(2, 2n), -2n);
+assert.sameValue(BigInt.asIntN(2, 3n), -1n);
+assert.sameValue(BigInt.asIntN(2, -123456789012345678901n), -1n);
+assert.sameValue(BigInt.asIntN(2, -123456789012345678900n), 0n);
+assert.sameValue(BigInt.asIntN(2, 123456789012345678900n), 0n);
+assert.sameValue(BigInt.asIntN(2, 123456789012345678901n), 1n);
+
+assert.sameValue(BigInt.asIntN(8, 0xabn), -0x55n);
+assert.sameValue(BigInt.asIntN(8, 0xabcdn), -0x33n);
+assert.sameValue(BigInt.asIntN(8, 0xabcdef01n), 0x01n);
+assert.sameValue(BigInt.asIntN(8, 0xabcdef0123456789abcdef0123n), 0x23n);
+assert.sameValue(BigInt.asIntN(8, 0xabcdef0123456789abcdef0183n), -0x7dn);
+
+assert.sameValue(BigInt.asIntN(64, 0xabcdef0123456789abcdefn), 0x0123456789abcdefn);
+assert.sameValue(BigInt.asIntN(65, 0xabcdef0123456789abcdefn), -0xfedcba9876543211n);
+
+assert.sameValue(BigInt.asIntN(200,
+ 0xcffffffffffffffffffffffffffffffffffffffffffffffffffn), -0x00000000000000000000000000000000000000000000000001n);
+assert.sameValue(BigInt.asIntN(201,
+ 0xcffffffffffffffffffffffffffffffffffffffffffffffffffn),
+ 0xffffffffffffffffffffffffffffffffffffffffffffffffffn
+);
+
+assert.sameValue(BigInt.asIntN(200,
+ 0xc89e081df68b65fedb32cffea660e55df9605650a603ad5fc54n), -0x761f7e209749a0124cd3001599f1aa2069fa9af59fc52a03acn);
+assert.sameValue(BigInt.asIntN(201,
+ 0xc89e081df68b65fedb32cffea660e55df9605650a603ad5fc54n),
+ 0x89e081df68b65fedb32cffea660e55df9605650a603ad5fc54n
+);
+
+reportCompare(0, 0);