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-rw-r--r--js/src/jit-test/tests/basic/compression-random-data.js26
1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/compression-random-data.js b/js/src/jit-test/tests/basic/compression-random-data.js
new file mode 100644
index 000000000..4e2bd579a
--- /dev/null
+++ b/js/src/jit-test/tests/basic/compression-random-data.js
@@ -0,0 +1,26 @@
+// Deterministic Math.random, from Octane.
+var seed = 49734321;
+function rand() {
+ // Robert Jenkins' 32 bit integer hash function.
+ seed = ((seed + 0x7ed55d16) + (seed << 12)) & 0xffffffff;
+ seed = ((seed ^ 0xc761c23c) ^ (seed >>> 19)) & 0xffffffff;
+ seed = ((seed + 0x165667b1) + (seed << 5)) & 0xffffffff;
+ seed = ((seed + 0xd3a2646c) ^ (seed << 9)) & 0xffffffff;
+ seed = ((seed + 0xfd7046c5) + (seed << 3)) & 0xffffffff;
+ seed = ((seed ^ 0xb55a4f09) ^ (seed >>> 16)) & 0xffffffff;
+ return (seed & 0xfffffff) / 0x10000000;
+}
+var randomS = "";
+function test(len) {
+ const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+ var s = "var data = '";
+ while (randomS.length < len) {
+ randomS += chars.charAt((rand() * chars.length)|0);
+ }
+ s += randomS;
+ s += "'; function f() {}; assertEq(f.toSource(), 'function f() {}');";
+ eval(s);
+}
+for (var i=32740; i<32780; i += 5) {
+ test(i);
+}