1 files changed, 72 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/bigint-tobool.js b/js/src/jit-test/tests/cacheir/bigint-tobool.js
new file mode 100644
index 0000000000..806cb55731
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/bigint-tobool.js
@@ -0,0 +1,72 @@
+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
+  2147483649n,
+  2147483648n,
+  2147483647n,
+
+  // 2**32
+  4294967297n,
+  4294967296n,
+  4294967295n,
+
+  // 2n**63n
+  9223372036854775809n,
+  9223372036854775808n,
+  9223372036854775807n,
+
+  // 2n**64n
+  18446744073709551617n,
+  18446744073709551616n,
+  18446744073709551615n,
+
+  // Definitely heap digits.
+  2n ** 1000n,
+];
+
+function test() {
+  for (var i = 0; i < 100; ++i) {
+    var x = xs[i % xs.length];
+
+    // Implicit ToBool(x)
+    var r = x ? true : false;
+    assertEq(r, x !== 0n);
+  }
+}
+test();
+
+function testNot() {
+  for (var i = 0; i < 100; ++i) {
+    var x = xs[i % xs.length];
+
+    var r = !x;
+    assertEq(r, x === 0n);
+  }
+}
+testNot();