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Code Issues Wiki Activity

Remove obsolete partition scanner conformance tests

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This commit is contained in:
Anton Leherbauer 2010-11-17 15:10:32 +00:00
parent 8462736684
commit d63d948594
1 changed files with 27 additions and 96 deletions
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123
core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/PartitionTokenScannerTest.java
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@ -29,7 +29,7 @@ import org.eclipse.jface.text.rules.IPartitionTokenScanner;
import org.eclipse.jface.text.rules.IToken;
/**
* Compares two <code>IParitionTokenScanner</code>s for conformance and performance.
* Compares two <code>IParitionTokenScanner</code>s for performance.
*/
public class PartitionTokenScannerTest extends TestCase {
private static boolean PRINT_TIMING = false;
@ -37,7 +37,7 @@ public class PartitionTokenScannerTest extends TestCase {
private IPartitionTokenScanner fTestee;
public PartitionTokenScannerTest(String name) {
super(name);
super(name);
}
@Override
@ -51,7 +51,7 @@ public class PartitionTokenScannerTest extends TestCase {
try {
InputStream stream= getClass().getResourceAsStream(name);
BufferedReader reader= new BufferedReader(new InputStreamReader(stream));
StringBuilder buffer= new StringBuilder();
String line= reader.readLine();
while (line != null) {
@ -60,21 +60,21 @@ public class PartitionTokenScannerTest extends TestCase {
line= reader.readLine();
}
return new Document(buffer.toString());
} catch (IOException e) {
} catch (IOException e) {
}
return null;
}
private static IDocument getRandomDocument(int size) {
final char[] characters= {'/', '*', '\'', '"', '\r', '\n', '\\'};
final StringBuilder buffer= new StringBuilder();
for (int i= 0; i < size; i++) {
final int randomIndex= (int) (Math.random() * characters.length);
buffer.append(characters[randomIndex]);
}
return new Document(buffer.toString());
}
@ -82,35 +82,6 @@ public class PartitionTokenScannerTest extends TestCase {
return new TestSuite(PartitionTokenScannerTest.class);
}
public void testTestCaseLF() {
testConformance(getDocument("TestCase.txt", "\n"));
}
public void testTestCaseCRLF() {
testConformance(getDocument("TestCase.txt", "\r\n"));
}
public void testTestCaseCR() {
testConformance(getDocument("TestCase.txt", "\r"));
}
public void testTestCase2LF() {
testConformance(getDocument("TestCase2.txt", "\n"));
}
public void testTestCase2CRLF() {
testConformance(getDocument("TestCase2.txt", "\r\n"));
}
public void testTestCase2CR() {
testConformance(getDocument("TestCase2.txt", "\r"));
}
// XXX not fully passing because of "\<LF> and '\<LF>
// public void testRandom() {
// testConformance(getRandomDocument(2048));
// }
/**
* Tests performance of the testee against the reference IPartitionTokenScanner.
*/
@ -126,11 +97,11 @@ public class PartitionTokenScannerTest extends TestCase {
System.out.println("testee time = " + testeeTime / 1000.0f);
System.out.println("factor = " + (float) referenceTime / testeeTime);
}
// dangerous: assert no regression in performance
// assertTrue(testeeTime <= referenceTime);
}
private long getTime(IPartitionTokenScanner scanner, IDocument document, int count) {
final long start= System.currentTimeMillis();
@ -138,92 +109,52 @@ public class PartitionTokenScannerTest extends TestCase {
testPerformance(scanner, document);
final long end= System.currentTimeMillis();
return end - start;
}
private void testConformance(final IDocument document) {
final StringBuilder message= new StringBuilder();
fReference.setRange(document, 0, document.getLength());
fTestee.setRange(document, 0, document.getLength());
while (true) {
message.setLength(0);
final IToken referenceToken= fReference.nextToken();
final IToken testeeToken= fTestee.nextToken();
assertTokenEquals(referenceToken, testeeToken);
final int referenceOffset= fReference.getTokenOffset();
final int testeeOffset= fTestee.getTokenOffset();
message.append(", offset = " + referenceOffset);
message.append(", " + extractString(document, referenceOffset));
assertEquals(message.toString(), referenceOffset, testeeOffset);
int referenceLength= fReference.getTokenLength();
final int testeeLength= fTestee.getTokenLength();
if(referenceLength != testeeLength) {
// Special case where the dum scanner creates a token for every character...
IToken t;
while(referenceLength < testeeLength) {
t = fReference.nextToken();
referenceLength += fReference.getTokenLength();
if(referenceToken != t)
assertEquals(message.toString(), referenceToken, t);
}
}
message.append(", length = " + referenceLength);
assertEquals(message.toString(), referenceLength, testeeLength);
if (referenceToken.isEOF())
break;
}
}
private static void testPerformance(final IPartitionTokenScanner scanner, final IDocument document) {
scanner.setRange(document, 0, document.getLength());
IToken token;
do {
token= scanner.nextToken();
token= scanner.nextToken();
scanner.getTokenOffset();
scanner.getTokenLength();
} while (!token.isEOF());
}
private void assertTokenEquals(IToken expected, IToken actual) {
assertEquals(expected.isEOF(), actual.isEOF());
assertEquals(expected.isOther(), actual.isOther());
assertEquals(expected.isUndefined(), actual.isUndefined());
assertEquals(expected.isWhitespace(), actual.isWhitespace());
}
private static String extractString(IDocument document, int offset) {
final StringBuilder buffer= new StringBuilder();
try {
IRegion region= document.getLineInformationOfOffset(offset);
String line= document.get(region.getOffset(), region.getLength());
int offsetIndex= offset - region.getOffset();
// XXX kludge
if (offsetIndex > line.length())
offsetIndex= line.length();
buffer.append("line = " + document.getLineOfOffset(offset) + ": [");
buffer.append(line.substring(0, offsetIndex));
buffer.append("<POS>");
buffer.append(line.substring(offsetIndex));
buffer.append(']');
} catch (BadLocationException e) {
}
return buffer.toString();
}
return buffer.toString();
}
/**
@ -231,7 +162,7 @@ public class PartitionTokenScannerTest extends TestCase {
*/
private static String escape(String string) {
final StringBuilder buffer= new StringBuilder();
final int length= string.length();
for (int i= 0; i < length; i++) {
final char character= string.charAt(i);
@ -243,17 +174,17 @@ public class PartitionTokenScannerTest extends TestCase {
case '\r':
buffer.append("\\r");
break;
case '\n':
buffer.append("\\n");
break;
default:
break;
default:
buffer.append(character);
break;
}
}
return buffer.toString();
return buffer.toString();
}
}