From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 js/src/jit-test/tests/basic/math-random.js | 43 ++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 js/src/jit-test/tests/basic/math-random.js

(limited to 'js/src/jit-test/tests/basic/math-random.js')

diff --git a/js/src/jit-test/tests/basic/math-random.js b/js/src/jit-test/tests/basic/math-random.js
new file mode 100644
index 000000000..e9efab588
--- /dev/null
+++ b/js/src/jit-test/tests/basic/math-random.js
@@ -0,0 +1,43 @@
+function test() {
+  setRNGState(0x12341234, 0x98765);
+
+  function f() {
+    let x = [];
+    for (let i = 0; i < 10000; i++)  {
+      x.push(Math.random());
+    }
+    return x;
+  }
+  let x = f();
+  assertEq(x[0], 0.28443027522441433);
+  assertEq(x[10], 0.5283908544644392);
+  assertEq(x[100], 0.5593668121538891);
+  assertEq(x[1000], 0.7008807796441313);
+  assertEq(x[2000], 0.11737403776989574);
+  assertEq(x[3000], 0.08573924080320472);
+  assertEq(x[4000], 0.22428965439295678);
+  assertEq(x[5000], 0.4657521920883555);
+  assertEq(x[6000], 0.11816220100329233);
+  assertEq(x[7000], 0.6306689010335697);
+  assertEq(x[8000], 0.8654862148946609);
+  assertEq(x[9000], 0.31734259460387015);
+  assertEq(x[9999], 0.013959566914027777);
+
+  // Test some other (arbitrary) seeds.
+  setRNGState(0, 1);
+  x = f();
+  assertEq(x[0], 2.220446049250313e-16);
+  assertEq(x[2000], 0.8259328082050756);
+  assertEq(x[6000], 0.01060492365550314);
+  assertEq(x[9999], 0.7402370773147143);
+
+  setRNGState(0x0fff0101, 0x44440001);
+  x = f();
+  assertEq(x[0], 0.24994062119568194);
+  assertEq(x[2000], 0.4375430448883283);
+  assertEq(x[6000], 0.7298689950209452);
+  assertEq(x[9999], 0.13284280897626954);
+}
+
+if (typeof setRNGState == "function")
+  test();
-- 
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