diff options
Diffstat (limited to 'luni')
-rw-r--r-- | luni/src/test/java/com/android/org/bouncycastle/crypto/digests/DigestTest.java | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/luni/src/test/java/com/android/org/bouncycastle/crypto/digests/DigestTest.java b/luni/src/test/java/com/android/org/bouncycastle/crypto/digests/DigestTest.java index 8708214..fce8507 100644 --- a/luni/src/test/java/com/android/org/bouncycastle/crypto/digests/DigestTest.java +++ b/luni/src/test/java/com/android/org/bouncycastle/crypto/digests/DigestTest.java @@ -19,6 +19,7 @@ package com.android.org.bouncycastle.crypto.digests; import junit.framework.TestCase; import com.android.org.bouncycastle.crypto.Digest; import com.android.org.bouncycastle.crypto.ExtendedDigest; +import tests.util.SummaryStatistics; /** * Implements unit tests for our JNI wrapper around OpenSSL. We use the @@ -36,6 +37,7 @@ public class DigestTest extends TestCase { * @param newDigest The new digest implementation, provided by OpenSSL */ public void doTestMessageDigest(Digest oldDigest, Digest newDigest) { + final int WARMUP = 10; final int ITERATIONS = 100; byte[] data = new byte[1024]; @@ -54,27 +56,31 @@ public class DigestTest extends TestCase { data[i] = (byte)i; } - long oldTime = 0; - long newTime = 0; + SummaryStatistics oldTime = new SummaryStatistics(); + SummaryStatistics newTime = new SummaryStatistics(); - for (int j = 0; j < ITERATIONS; j++) { - long t0 = System.currentTimeMillis(); + for (int j = 0; j < ITERATIONS + WARMUP; j++) { + long t0 = System.nanoTime(); for (int i = 0; i < 4; i++) { oldDigest.update(data, 0, data.length); } int oldLength = oldDigest.doFinal(oldHash, 0); - long t1 = System.currentTimeMillis(); + long t1 = System.nanoTime(); - oldTime = oldTime + (t1 - t0); + if (j >= WARMUP) { + oldTime.add(t1 - t0); + } - long t2 = System.currentTimeMillis(); + long t2 = System.nanoTime(); for (int i = 0; i < 4; i++) { newDigest.update(data, 0, data.length); } int newLength = newDigest.doFinal(newHash, 0); - long t3 = System.currentTimeMillis(); + long t3 = System.nanoTime(); - newTime = newTime + (t3 - t2); + if (j >= WARMUP) { + newTime.add(t3 - t2); + } assertEquals("Hash sizes must be equal", oldLength, newLength); @@ -83,10 +89,13 @@ public class DigestTest extends TestCase { } } - System.out.println("Time for " + ITERATIONS + " x old hash processing: " + oldTime + " ms"); - System.out.println("Time for " + ITERATIONS + " x new hash processing: " + newTime + " ms"); + System.out.println("Time for " + ITERATIONS + " x old hash processing: " + + oldTime.toString()); + System.out.println("Time for " + ITERATIONS + " x new hash processing: " + + newTime.toString()); - assertTrue("New hash should be faster", newTime < oldTime); + assertTrue("New hash should be faster:\nold=" + oldTime.toString() + "\nnew=" + + newTime.toString(), newTime.mean() < oldTime.mean()); } /** |