1 files changed, 161 insertions, 0 deletions
diff --git a/icu4j/perf-tests/src/main/java/com/ibm/icu/dev/test/perf/RBBIPerf.java b/icu4j/perf-tests/src/main/java/com/ibm/icu/dev/test/perf/RBBIPerf.java
new file mode 100644
index 000000000..342f7a51d
--- /dev/null
+++ b/icu4j/perf-tests/src/main/java/com/ibm/icu/dev/test/perf/RBBIPerf.java
@@ -0,0 +1,161 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+**********************************************************************
+* Copyright (c) 2002-2004, International Business Machines
+* Corporation and others.  All Rights Reserved.
+**********************************************************************
+*/
+package com.ibm.icu.dev.test.perf;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.text.BreakIterator;
+
+import com.ibm.icu.text.RuleBasedBreakIterator;
+import com.ibm.icu.text.UTF16;
+
+/**
+ * A class for testing UnicodeSet performance.
+ *
+ * @author Alan Liu
+ * @since ICU 2.4
+ */
+public class RBBIPerf extends PerfTest {
+
+    String                  dataFileName;
+    RuleBasedBreakIterator  bi;
+    BreakIterator           jdkbi;
+    String                  testString;
+
+    public static void main(String[] args) throws Exception {
+        new RBBIPerf().run(args);
+    }
+
+    protected void setup(String[] args) {
+        // We only take one argument, the pattern
+        if (args.length != 2) {
+            throw new RuntimeException("RBBITest params:  data_file_name break_iterator_type ");
+        }
+
+        try {
+            dataFileName = args[0];
+            StringBuffer  testFileBuf = new StringBuffer();
+            InputStream is = new FileInputStream(dataFileName);
+            InputStreamReader isr = new InputStreamReader(is, "UTF-8");           
+            int c;
+            for (;;) {
+                c = isr.read();
+                if (c < 0) {
+                    break;
+                }
+                UTF16.append(testFileBuf, c);
+            }
+            testString = testFileBuf.toString();
+        }
+        catch (IOException e) {
+            throw new RuntimeException(e.toString());   
+        }
+        
+        if (args.length >= 2) {
+            if (args[1].equals("char")) {
+                bi  = (RuleBasedBreakIterator)com.ibm.icu.text.BreakIterator.getCharacterInstance();  
+            } else if (args[1].equals("word")) {
+                bi  = (RuleBasedBreakIterator)com.ibm.icu.text.BreakIterator.getWordInstance();
+            } else if (args[1].equals("line")) {
+                bi  = (RuleBasedBreakIterator)com.ibm.icu.text.BreakIterator.getLineInstance();
+            } else if (args[1].equals("jdkline")) {
+                jdkbi  = BreakIterator.getLineInstance();
+            }
+        }
+        if (bi!=null ) {
+            bi.setText(testString);
+        }
+        if (jdkbi != null) {
+            jdkbi.setText(testString);   
+        }
+        
+    }
+
+    
+    
+    PerfTest.Function testRBBINext() {
+        return new PerfTest.Function() {
+            
+            public void call() {
+                int n;
+                if (bi != null) {
+                    n = bi.first();
+                    for (; n != BreakIterator.DONE; n=bi.next()) {
+                    }   
+                } else {
+                    n = jdkbi.first();
+                    for (; n != BreakIterator.DONE; n=jdkbi.next()) {
+                    }   
+                }
+            }
+        
+            
+            public long getOperationsPerIteration() {
+                int n;
+                int count = 0;
+                if (bi != null) {
+                    for (n=bi.first(); n != BreakIterator.DONE; n=bi.next()) {
+                        count++;
+                    }
+                } else {                  
+                    for (n=jdkbi.first(); n != BreakIterator.DONE; n=jdkbi.next()) {
+                        count++;
+                    }
+                }
+                return count;
+            }
+        };
+    }
+    
+    
+    PerfTest.Function testRBBIPrevious() {
+        return new PerfTest.Function() {
+            
+            public void call() {
+                bi.first();
+                int n=0;
+                for (n=bi.last(); n != BreakIterator.DONE; n=bi.previous()) {
+                }   
+            }
+            
+            
+            public long getOperationsPerIteration() {
+                int n;
+                int count = 0;
+                for (n=bi.last(); n != BreakIterator.DONE; n=bi.previous()) {
+                    count++;
+                }   
+                return count;
+            }
+        };
+    }
+
+
+    PerfTest.Function testRBBIIsBoundary() {
+        return new PerfTest.Function() {
+            
+            public void call() {
+                int n=testString.length();
+                int i;
+                for (i=0; i<n; i++) {
+                    bi.isBoundary(i);
+                }   
+            }
+            
+            public long getOperationsPerIteration() {
+                int n = testString.length();
+                return n;
+            }
+        };
+    }
+
+
+ 
+}