1 files changed, 65 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/bigint/asUintN64.js b/js/src/jit-test/tests/bigint/asUintN64.js
new file mode 100644
index 0000000000..c0c416e9b4
--- /dev/null
+++ b/js/src/jit-test/tests/bigint/asUintN64.js
@@ -0,0 +1,65 @@
+const tests = [
+  [-0x10000000000000001n, 0xffffffffffffffffn],
+  [-0x10000000000000000n, 0n],
+  [-0xffffffffffffffffn, 1n],
+  [-0xfffffffffffffffen, 2n],
+  [-0x8000000000000001n, 0x7fffffffffffffffn],
+  [-0x8000000000000000n, 0x8000000000000000n],
+  [-0x7fffffffffffffffn, 0x8000000000000001n],
+  [-0x7ffffffffffffffen, 0x8000000000000002n],
+  [-0x100000001n, 0xfffffffeffffffffn],
+  [-0x100000000n, 0xffffffff00000000n],
+  [-0xffffffffn, 0xffffffff00000001n],
+  [-0xfffffffen, 0xffffffff00000002n],
+  [-0x80000001n, 0xffffffff7fffffffn],
+  [-0x80000000n, 0xffffffff80000000n],
+  [-0x7fffffffn, 0xffffffff80000001n],
+  [-0x7ffffffen, 0xffffffff80000002n],
+  [-9n, 0xfffffffffffffff7n],
+  [-8n, 0xfffffffffffffff8n],
+  [-7n, 0xfffffffffffffff9n],
+  [-6n, 0xfffffffffffffffan],
+  [-5n, 0xfffffffffffffffbn],
+  [-4n, 0xfffffffffffffffcn],
+  [-3n, 0xfffffffffffffffdn],
+  [-2n, 0xfffffffffffffffen],
+  [-1n, 0xffffffffffffffffn],
+  [0n, 0n],
+  [1n, 1n],
+  [2n, 2n],
+  [3n, 3n],
+  [4n, 4n],
+  [5n, 5n],
+  [6n, 6n],
+  [7n, 7n],
+  [8n, 8n],
+  [9n, 9n],
+  [0x7ffffffen, 0x7ffffffen],
+  [0x7fffffffn, 0x7fffffffn],
+  [0x80000000n, 0x80000000n],
+  [0x80000001n, 0x80000001n],
+  [0xfffffffen, 0xfffffffen],
+  [0xffffffffn, 0xffffffffn],
+  [0x100000000n, 0x100000000n],
+  [0x100000001n, 0x100000001n],
+  [0x7ffffffffffffffen, 0x7ffffffffffffffen],
+  [0x7fffffffffffffffn, 0x7fffffffffffffffn],
+  [0x8000000000000000n, 0x8000000000000000n],
+  [0x8000000000000001n, 0x8000000000000001n],
+  [0xfffffffffffffffen, 0xfffffffffffffffen],
+  [0xffffffffffffffffn, 0xffffffffffffffffn],
+  [0x10000000000000000n, 0n],
+  [0x10000000000000001n, 1n],
+];
+
+function f(tests) {
+  for (let test of tests) {
+    let input = test[0], expected = test[1];
+
+    assertEq(BigInt.asUintN(64, input), expected);
+  }
+}
+
+for (let i = 0; i < 100; ++i) {
+  f(tests);
+}