diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/sunspider/check-string-fasta.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/sunspider/check-string-fasta.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,90 @@
+// The Great Computer Language Shootout
+//  http://shootout.alioth.debian.org
+//
+//  Contributed by Ian Osgood
+
+var last = 42, A = 3877, C = 29573, M = 139968;
+
+function rand(max) {
+  last = (last * A + C) % M;
+  return max * last / M;
+}
+
+var ALU =
+  "GGCCGGGCGCGGTGGCTCACGCCTGTAATCCCAGCACTTTGG" +
+  "GAGGCCGAGGCGGGCGGATCACCTGAGGTCAGGAGTTCGAGA" +
+  "CCAGCCTGGCCAACATGGTGAAACCCCGTCTCTACTAAAAAT" +
+  "ACAAAAATTAGCCGGGCGTGGTGGCGCGCGCCTGTAATCCCA" +
+  "GCTACTCGGGAGGCTGAGGCAGGAGAATCGCTTGAACCCGGG" +
+  "AGGCGGAGGTTGCAGTGAGCCGAGATCGCGCCACTGCACTCC" +
+  "AGCCTGGGCGACAGAGCGAGACTCCGTCTCAAAAA";
+
+var IUB = {
+  a:0.27, c:0.12, g:0.12, t:0.27,
+  B:0.02, D:0.02, H:0.02, K:0.02,
+  M:0.02, N:0.02, R:0.02, S:0.02,
+  V:0.02, W:0.02, Y:0.02
+}
+
+var HomoSap = {
+  a: 0.3029549426680,
+  c: 0.1979883004921,
+  g: 0.1975473066391,
+  t: 0.3015094502008
+}
+
+function makeCumulative(table) {
+  var last = null;
+  for (var c in table) {
+    if (last) table[c] += table[last];
+    last = c;
+  }
+}
+
+function fastaRepeat(n, seq) {
+  var seqi = 0, lenOut = 60;
+  while (n>0) {
+    if (n<lenOut) lenOut = n;
+    if (seqi + lenOut < seq.length) {
+      ret = seq.substring(seqi, seqi+lenOut);
+      seqi += lenOut;
+    } else {
+      var s = seq.substring(seqi);
+      seqi = lenOut - s.length;
+      ret = s + seq.substring(0, seqi);
+    }
+    n -= lenOut;
+  }
+  return ret;
+}
+
+function fastaRandom(n, table) {
+  var line = new Array(60);
+  makeCumulative(table);
+  while (n>0) {
+    if (n<line.length) line = new Array(n);
+    for (var i=0; i<line.length; i++) {
+      var r = rand(1);
+      for (var c in table) {
+        if (r < table[c]) {
+          line[i] = c;
+          break;
+        }
+      }
+    }
+    ret = line.join('');
+    n -= line.length;
+  }
+  return ret;
+}
+
+var ret;
+
+var count = 7;
+var actual1 = fastaRepeat(2*count*100000, ALU);
+var actual2 = fastaRandom(3*count*1000, IUB);
+var actual3 = fastaRandom(5*count*1000, HomoSap);
+
+assertEq(actual1, "CAAAAAGGCCGGGCGCGGTG");
+assertEq(actual2, "VtttaDtKgcaaWaaaaatSccMcVatgtKgtaKgcgatatgtagtSaaaDttatacaaa");
+assertEq(actual3, "ttggctatatttatgttgga");