| 3 |
|
* as explained at http://creativecommons.org/publicdomain/zero/1.0/. |
| 4 |
|
*/ |
| 5 |
|
|
| 6 |
– |
import java.util.*; |
| 6 |
|
import java.io.*; |
| 7 |
+ |
import java.util.*; |
| 8 |
|
|
| 9 |
|
/** |
| 10 |
|
* Interface-based Deque tester. This test currently makes three |
| 22 |
|
static int nextHead = -1; |
| 23 |
|
static int size() { return nextTail - nextHead - 1; } |
| 24 |
|
|
| 25 |
< |
|
| 26 |
< |
static int random(int bound) { |
| 27 |
< |
int x = seed; |
| 28 |
< |
int t = (x % 127773) * 16807 - (x / 127773) * 2836; |
| 29 |
< |
seed = (t > 0) ? t : t + 0x7fffffff; |
| 30 |
< |
return (t & 0x7fffffff) % bound; |
| 25 |
> |
static int random() { |
| 26 |
> |
int r = seed; |
| 27 |
> |
r ^= r << 13; // xorshift |
| 28 |
> |
r ^= r >>> 17; |
| 29 |
> |
return seed = r ^ (r << 5); |
| 30 |
|
} |
| 31 |
|
|
| 32 |
< |
static int random() { |
| 33 |
< |
int x = seed; |
| 35 |
< |
int t = (x % 127773) * 16807 - (x / 127773) * 2836; |
| 36 |
< |
seed = (t > 0) ? t : t + 0x7fffffff; |
| 37 |
< |
return (t & 0x7fffffff); |
| 32 |
> |
static int random(int bound) { |
| 33 |
> |
return (random() & 0x7fffffff) % bound; |
| 34 |
|
} |
| 35 |
|
|
| 36 |
< |
public static void main(String args[]) throws Exception { |
| 36 |
> |
public static void main(String[] args) throws Exception { |
| 37 |
|
Class<?> cls = Class.forName(args[0]); |
| 38 |
< |
int n = 1000000; |
| 39 |
< |
|
| 44 |
< |
for (int j = 0; j < 3; ++j) { |
| 38 |
> |
long startTime = System.nanoTime(); |
| 39 |
> |
for (int j = 0; j < 200; ++j) { |
| 40 |
|
@SuppressWarnings("unchecked") |
| 41 |
< |
Deque<Integer> deque = (Deque<Integer>) cls.newInstance(); |
| 41 |
> |
Deque<Integer> deque = |
| 42 |
> |
(Deque<Integer>) cls.getConstructor().newInstance(); |
| 43 |
|
nextTail = 0; |
| 44 |
|
nextHead = -1; |
| 45 |
< |
long start = System.nanoTime(); |
| 50 |
< |
mainTest(deque, n); |
| 51 |
< |
long end = System.nanoTime(); |
| 52 |
< |
long elapsedTimeMillis = (end - start) / (1000L * 1000L); |
| 53 |
< |
System.out.printf("Time: %d ms%n", elapsedTimeMillis); |
| 45 |
> |
mainTest(deque, (random() & ((1 << 20) - 1))); |
| 46 |
|
if (deque.isEmpty()) System.out.print(" "); |
| 47 |
+ |
if ((j % 10) == 9) System.out.print("."); |
| 48 |
|
} |
| 49 |
+ |
long now = System.nanoTime(); |
| 50 |
+ |
long elapsedTimeMillis = (now - startTime) / (1000L * 1000L); |
| 51 |
+ |
System.out.printf("\ntotal time %d ms\n", elapsedTimeMillis); |
| 52 |
|
|
| 53 |
|
} |
| 54 |
|
|
| 76 |
|
// Test fancy removal stuff once in a blue moon |
| 77 |
|
if ((i & 8191) == 0) |
| 78 |
|
testRemove(deque); |
| 83 |
– |
|
| 79 |
|
} |
| 80 |
|
|
| 81 |
|
// Stupid tests for clear, toString |
| 149 |
|
deque.getLast() + " expecting " + (nextTail - 1)); |
| 150 |
|
} |
| 151 |
|
|
| 157 |
– |
|
| 152 |
|
static void randomOp(Deque<Integer> deque) throws Exception { |
| 153 |
|
|
| 154 |
|
// Perform a random operation |
| 225 |
|
} |
| 226 |
|
} |
| 227 |
|
|
| 234 |
– |
|
| 228 |
|
private static void testEqual(Deque<Integer> d1, Deque<Integer> d2) |
| 229 |
|
throws Exception |
| 230 |
|
{ |
