| /******************************************************************************* |
| * Copyright (c) 2000, 2013 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.testplugin; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.StringReader; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| |
| import org.junit.Assert; |
| |
| |
| public class StringAsserts { |
| /** |
| * |
| */ |
| public StringAsserts() { |
| super(); |
| } |
| |
| private static int getDiffPos(String str1, String str2) { |
| int len1= Math.min(str1.length(), str2.length()); |
| |
| int diffPos= -1; |
| for (int i= 0; i < len1; i++) { |
| if (str1.charAt(i) != str2.charAt(i)) { |
| diffPos= i; |
| break; |
| } |
| } |
| if (diffPos == -1 && str1.length() != str2.length()) { |
| diffPos= len1; |
| } |
| return diffPos; |
| } |
| |
| private static final int printRange= 6; |
| |
| public static void assertEqualString(String actual, String expected) { |
| if (actual == null || expected == null) { |
| if (actual == expected) { |
| return; |
| } |
| if (actual == null) { |
| Assert.fail("Content not as expected: is 'null' expected: " + expected); |
| } else { |
| Assert.fail("Content not as expected: expected 'null' is: " + actual); |
| } |
| } |
| |
| int diffPos= getDiffPos(actual, expected); |
| if (diffPos != -1) { |
| int diffAhead= Math.max(0, diffPos - printRange); |
| int diffAfter= Math.min(actual.length(), diffPos + printRange); |
| |
| String diffStr= actual.substring(diffAhead, diffPos) + '^' + actual.substring(diffPos, diffAfter); |
| |
| // use detailed message |
| String message= "Content not as expected: is\n" + actual + "\nDiffers at pos " + diffPos + ": " + diffStr + "\nexpected:\n" + expected; //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ |
| |
| Assert.assertEquals(message, expected, actual); |
| } |
| } |
| |
| public static void assertEqualStringIgnoreDelim(String actual, String expected) throws IOException { |
| if (actual == null || expected == null) { |
| if (actual == expected) { |
| return; |
| } |
| if (actual == null) { |
| Assert.fail("Content not as expected: is 'null' expected: " + expected); |
| } else { |
| Assert.fail("Content not as expected: expected 'null' is: " + actual); |
| } |
| } |
| |
| BufferedReader read1= new BufferedReader(new StringReader(actual)); |
| BufferedReader read2= new BufferedReader(new StringReader(expected)); |
| |
| int line= 1; |
| do { |
| String s1= read1.readLine(); |
| String s2= read2.readLine(); |
| |
| if (s1 == null || !s1.equals(s2)) { |
| if (s1 == null && s2 == null) { |
| return; |
| } |
| String diffStr= (s1 == null) ? s2 : s1; |
| |
| String message= "Content not as expected: Content is: \n" + actual + "\nDiffers at line " + line + ": " + diffStr + "\nExpected contents: \n" + expected; |
| Assert.assertEquals(message, expected, actual); |
| } |
| line++; |
| } while (true); |
| } |
| |
| public static void assertEqualStringsIgnoreOrder(String[] actuals, String[] expecteds) { |
| ArrayList<String> list1= new ArrayList<>(Arrays.asList(actuals)); |
| ArrayList<String> list2= new ArrayList<>(Arrays.asList(expecteds)); |
| |
| for (int i= list1.size() - 1; i >= 0; i--) { |
| if (list2.remove(list1.get(i))) { |
| list1.remove(i); |
| } |
| } |
| |
| int n1= list1.size(); |
| int n2= list2.size(); |
| |
| if (n1 + n2 > 0) { |
| if (n1 == 1 && n2 == 1) { |
| assertEqualString(list1.get(0), list2.get(0)); |
| } |
| |
| StringBuffer buf= new StringBuffer(); |
| for (int i= 0; i < n1; i++) { |
| String s1= list1.get(i); |
| if (s1 != null) { |
| buf.append(s1); |
| buf.append("\n"); |
| } |
| } |
| String actual= buf.toString(); |
| |
| buf= new StringBuffer(); |
| for (int i= 0; i < n2; i++) { |
| String s2= list2.get(i); |
| if (s2 != null) { |
| buf.append(s2); |
| buf.append("\n"); |
| } |
| } |
| String expected= buf.toString(); |
| |
| String message= "Content not as expected: Content is: \n" + actual + "\nExpected contents: \n" + expected; |
| Assert.assertEquals(message, expected, actual); |
| } |
| } |
| |
| public static void assertExpectedExistInProposals(String[] actuals, String[] expecteds) { |
| ArrayList<String> list1= new ArrayList<>(Arrays.asList(actuals)); |
| ArrayList<String> list2= new ArrayList<>(Arrays.asList(expecteds)); |
| |
| for (int i= list1.size() - 1; i >= 0; i--) { |
| if (list2.remove(list1.get(i))) { |
| list1.remove(i); |
| } |
| } |
| |
| int n1= list1.size(); |
| int n2= list2.size(); |
| |
| if (n2 > 0) { |
| if (n1 == 1 && n2 == 1) { |
| assertEqualString(list1.get(0), list2.get(0)); |
| } |
| |
| StringBuffer buf= new StringBuffer(); |
| for (int i= 0; i < n1; i++) { |
| String s1= list1.get(i); |
| if (s1 != null) { |
| buf.append(s1); |
| buf.append("\n"); |
| } |
| } |
| String actual= buf.toString(); |
| |
| buf= new StringBuffer(); |
| for (int i= 0; i < n2; i++) { |
| String s2= list2.get(i); |
| if (s2 != null) { |
| buf.append(s2); |
| buf.append("\n"); |
| } |
| } |
| String expected= buf.toString(); |
| |
| String message= "Content not as expected: Content is: \n" + actual + "\nExpected contents: \n" + expected; |
| Assert.assertEquals(message, expected, actual); |
| } |
| } |
| |
| } |