71 lines
2.2 KiB
Java
71 lines
2.2 KiB
Java
/*
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(C) Copyright Taligent, Inc. 1996 - All Rights Reserved
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(C) Copyright IBM Corp. 1996 - All Rights Reserved
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The original version of this source code and documentation is copyrighted and
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owned by Taligent, Inc., a wholly-owned subsidiary of IBM. These materials are
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provided under terms of a License Agreement between Taligent and Sun. This
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technology is protected by multiple US and International patents. This notice and
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attribution to Taligent may not be removed.
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Taligent is a registered trademark of Taligent, Inc.
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*/
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package com.ibm.text.utility;
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public class FastBinarySearchTest
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{
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static boolean printResult(FastIntBinarySearch search, int value)
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{
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int ndx = search.findIndex(value);
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int data[] = search.getData();
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String errorString = null;
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if (ndx < 0) {
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if (!(ndx < data[0])) {
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errorString = "" + value +" < "+data[0];
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}
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}
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else if (ndx < data.length -1) {
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if (!(data[ndx] <= value && value < data[ndx+1])) {
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errorString = "" + data[ndx]+"<="+value+"<"+data[ndx+1];
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}
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}
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else {
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if (!(data[ndx] <= value)) {
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errorString = ""+data[ndx]+"<"+value;
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}
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}
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if (errorString != null) {
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System.out.println("ERROR: findIndex("+value+") => "+ndx+" "+errorString);
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return false;
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}
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else {
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return true;
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}
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}
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static void test(int testArray[])
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{
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boolean passed = true;
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FastIntBinarySearch search = new FastIntBinarySearch(testArray);
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for (int i = -1; passed && i < testArray[testArray.length-1]+2; i++) {
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passed = passed && printResult(search, i);
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}
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if (passed) System.out.println("test passed");
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else System.out.println("test failed");
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}
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// 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17
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public static int testArray1[] = {1};
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public static int testArray2[] = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 19, 19, 25, 27, 29, 31};
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public static int testArray3[] = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 19, 19, 25, 27, 29};
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public static int testArray4[] = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 19, 19, 25, 27, 29, 31, 33};
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public static void main(String args[])
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{
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System.out.println("running 4 tests...");
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test(testArray1);
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test(testArray2);
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test(testArray3);
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test(testArray4);
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}
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} |