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comparison graal/com.oracle.truffle.sl.test/src/com/oracle/truffle/sl/test/FibonacciTest.java @ 12752:71991b7a0f14

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SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
author Christian Humer <christian.humer@gmail.com>
date Mon, 11 Nov 2013 21:34:44 +0100
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children 69d2e4baa215
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12712:882a0aadfed6 12752:71991b7a0f14
1 /*
2 * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.oracle.truffle.sl.test;
24
25 import javax.script.*;
26
27 import org.junit.*;
28
29 import com.oracle.truffle.sl.*;
30 import com.oracle.truffle.sl.runtime.*;
31
32 // @formatter:off
33 public class FibonacciTest extends AbstractTest{
34
35 private static String[] INPUT = new String[] {
36 "function fib(num) { ",
37 " if (num < 1) {return 0;}",
38 " n1 = 0;",
39 " n2 = 1;",
40 " i = 1;",
41 " while (i < num) {",
42 " next = n2 + n1;",
43 " n1 = n2;",
44 " n2 = next;",
45 " i = i + 1;",
46 " }",
47 " return n2;",
48 "}",
49 "function main(num) { ",
50 " return fib(num);",
51 "} ",
52 };
53
54 // java reference
55 private static int test(int num) {
56 if (num <= 0) {
57 return 0;
58 }
59 int n1 = 0;
60 int n2 = 1;
61 for (int i = 1; i < num; i++) {
62 final int next = n2 + n1;
63 n1 = n2;
64 n2 = next;
65 }
66 return n2;
67 }
68
69 private static final int TEST_VALUE = 42;
70 private static final int ITERATIONS = 5000;
71
72 @Test
73 public void test() throws ScriptException {
74 StringBuilder s = new StringBuilder();
75 for (String line : INPUT) {
76 s.append(line).append("\n");
77 }
78 SLScript script = SLScript.create(new SLContext(System.out), s.toString());
79 Integer reference = test(TEST_VALUE);
80 for (int i = 0; i < ITERATIONS; i++) {
81 if (!reference.equals(script.run(TEST_VALUE))) {
82 throw new AssertionError();
83 }
84 }
85 }
86 }