ICU-6041 Merged r24483 - collation monkey test to check that collators from file and collators from rules are the same.

X-SVN-Rev: 24484

.gitattributes

@@ -187,6 +187,7 @@ icu4j/src/com/ibm/icu/dev/eclipse/plugins/com.ibm.icu/.settings/org.eclipse.jdt.
 icu4j/src/com/ibm/icu/dev/eclipse/plugins/com.ibm.icu/META-INF/MANIFEST.MF -text
 icu4j/src/com/ibm/icu/dev/eclipse/plugins/com.ibm.icu/build.properties -text
 icu4j/src/com/ibm/icu/dev/eclipse/plugins/com.ibm.icu/plugin.properties -text
+icu4j/src/com/ibm/icu/dev/test/collator/CollationCreationMethodTest.java -text
 icu4j/src/com/ibm/icu/dev/test/perf/data/collation/TestNames_Asian.txt -text
 icu4j/src/com/ibm/icu/dev/test/perf/data/collation/TestNames_Chinese.txt -text
 icu4j/src/com/ibm/icu/dev/test/perf/data/collation/TestNames_Japanese.txt -text

icu4j/src/com/ibm/icu/dev/test/collator/CollationCreationMethodTest.java

@@ -0,0 +1,123 @@
+/*
+ *******************************************************************************
+ * Copyright (C) 2002-2008, International Business Machines Corporation and         *
+ * others. All Rights Reserved.                                                *
+ *******************************************************************************
+ */
+ 
+package com.ibm.icu.dev.test.collator;
+
+import java.util.Locale;
+import java.util.Random;
+
+import com.ibm.icu.dev.test.*;
+import com.ibm.icu.text.*;
+
+
+/**
+ * 
+ * CollationCreationMethodTest checks to ensure that the collators act the same whether they are created by choosing a 
+ * locale and loading the data from file, or by using rules.
+ * 
+ * @author Brian Rower - IBM - August 2008
+ *
+ */
+public class CollationCreationMethodTest extends TestFmwk 
+{
+    
+	public static void main(String[] args) throws Exception 
+    {
+        new CollationCreationMethodTest().run(args);
+    }
+    
+    public void TestRuleVsLocaleCreationMonkey()
+    {
+    	//create a RBC from a collator reader by reading in a locale collation file
+    	//also create one simply from a rules string (which should be 
+    	//pulled from the locale collation file)
+    	//and then do crazy monkey testing on it to make sure they are the same.
+    	int x,y,z;
+    	Random r = createRandom();
+    	String randString1;
+    	CollationKey key1;
+    	CollationKey key2;
+
+    	
+    	Locale[] locales = Collator.getAvailableLocales();
+    	 
+    	RuleBasedCollator localeCollator;
+    	RuleBasedCollator ruleCollator;
+            	
+        for(z = 0; z < 60; z++)
+        {
+        	x = r.nextInt(locales.length);
+        	
+        	try
+            {
+        		//this is making the assumption that the only type of collator that will be made is RBC
+        		localeCollator = (RuleBasedCollator)Collator.getInstance(locales[x]);
+        		ruleCollator = new RuleBasedCollator(localeCollator.getRules());
+        		logln("Rules are: " + localeCollator.getRules());
+            } 
+        	catch (Exception e) 
+        	{
+                warnln("ERROR: in creation of collator of " + locales[x].getDisplayName() + " locale");
+                return;
+            }
+        	
+        	//do it several times for each collator
+        	int n = 3;
+        	for(y = 0; y < n; y++)
+        	{
+
+            	randString1 = generateNewString(r);
+                                
+                key1 = localeCollator.getCollationKey(randString1);
+                key2 = ruleCollator.getCollationKey(randString1);
+           	
+            	report(locales[x].getDisplayName(), randString1, key1, key2);	
+        	}
+        }
+    }
+    
+    private String generateNewString(Random r)
+    {
+    	int maxCodePoints = 40;
+    	byte[] c = new byte[r.nextInt(maxCodePoints)*2]; //two bytes for each code point
+    	int x;
+    	int z;
+    	String s = "";
+    	
+    	for(x = 0; x < c.length/2; x = x + 2) //once around for each UTF-16 character
+    	{
+    		z = r.nextInt(0x7fff); //the code point...
+    		
+    		c[x + 1] = (byte)z;
+    		c[x] = (byte)(z >>> 4);
+    	}
+    	try
+    	{
+    		s = new String(c, "UTF-16BE");
+    	}
+    	catch(Exception e)
+    	{
+    		warnln("Error creating random strings");
+    	}
+    	return s;
+    	
+    	
+    }
+    
+    
+    private void report(String localeName, String string1, CollationKey k1, CollationKey k2) 
+    {
+        if (!k1.equals(k2)) 
+        {
+            String msg = "";
+            msg += "With " + localeName + "Collator: ";
+            msg += string1; 
+            msg += " failed to produce identical keys on both collators";
+            errln(msg);
+        }
+    }    
+}

icu4j/src/com/ibm/icu/dev/test/collator/TestAll.java

@@ -22,6 +22,7 @@ public class TestAll extends TestGroup {
                   "CollationTest",
                   "CollationAPITest",
                   "CollationCurrencyTest",
+                  "CollationCreationMethodTest",
                   //"CollationDanishTest", //Danish is already tested through data driven tests
                   "CollationDummyTest",
                   "CollationEnglishTest",