1 files changed, 135 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/bigint-unary.js b/js/src/jit-test/tests/cacheir/bigint-unary.js
new file mode 100644
index 0000000000..75e67a7d53
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/bigint-unary.js
@@ -0,0 +1,135 @@
+var xs = [
+  // Definitely heap digits.
+  -(2n ** 1000n),
+
+  // -(2n**64n)
+  -18446744073709551617n,
+  -18446744073709551616n,
+  -18446744073709551615n,
+
+  // -(2n**63n)
+  -9223372036854775809n,
+  -9223372036854775808n,
+  -9223372036854775807n,
+
+  // -(2**32)
+  -4294967297n,
+  -4294967296n,
+  -4294967295n,
+
+  // -(2**31)
+  -2147483649n,
+  -2147483648n,
+  -2147483647n,
+
+  -1n,
+  0n,
+  1n,
+
+  // 2**31
+  2147483647n,
+  2147483648n,
+  2147483649n,
+
+  // 2**32
+  4294967295n,
+  4294967296n,
+  4294967297n,
+
+  // 2n**63n
+  9223372036854775807n,
+  9223372036854775808n,
+  9223372036854775809n,
+
+  // 2n**64n
+  18446744073709551615n,
+  18446744073709551616n,
+  18446744073709551617n,
+
+  // Definitely heap digits.
+  2n ** 1000n,
+];
+
+function testNeg() {
+  for (var i = 0; i < 100; ++i) {
+    var j = i % xs.length;
+    var x = xs[j];
+    var y = xs[xs.length - 1 - j];
+
+    assertEq(-x, y);
+  }
+}
+testNeg();
+
+function testBitNot() {
+  var ys = xs.map(x => -(x + 1n));
+
+  for (var i = 0; i < 100; ++i) {
+    var j = i % xs.length;
+    var x = xs[j];
+    var y = ys[j];
+
+    assertEq(~x, y);
+  }
+}
+testBitNot();
+
+function testPreInc() {
+  var ys = xs.map(x => x + 1n);
+
+  for (var i = 0; i < 100; ++i) {
+    var j = i % xs.length;
+    var x = xs[j];
+    var y = ys[j];
+
+    var r = ++x;
+    assertEq(x, y);
+    assertEq(r, y);
+  }
+}
+testPostInc();
+
+function testPostInc() {
+  var ys = xs.map(x => x + 1n);
+
+  for (var i = 0; i < 100; ++i) {
+    var j = i % xs.length;
+    var x = xs[j];
+    var y = ys[j];
+
+    var r = x++;
+    assertEq(x, y);
+    assertEq(r, xs[j]);
+  }
+}
+testPostInc();
+
+function testPreDec() {
+  var ys = xs.map(x => x - 1n);
+
+  for (var i = 0; i < 100; ++i) {
+    var j = i % xs.length;
+    var x = xs[j];
+    var y = ys[j];
+
+    var r = --x;
+    assertEq(x, y);
+    assertEq(r, y);
+  }
+}
+testPostDec();
+
+function testPostDec() {
+  var ys = xs.map(x => x - 1n);
+
+  for (var i = 0; i < 100; ++i) {
+    var j = i % xs.length;
+    var x = xs[j];
+    var y = ys[j];
+
+    var r = x--;
+    assertEq(x, y);
+    assertEq(r, xs[j]);
+  }
+}
+testPostDec();