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-rw-r--r--js/src/jit-test/tests/sunspider/check-string-fasta.js90
1 files changed, 90 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/sunspider/check-string-fasta.js b/js/src/jit-test/tests/sunspider/check-string-fasta.js
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+++ b/js/src/jit-test/tests/sunspider/check-string-fasta.js
@@ -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");