| /******************************************************************************* |
| * Copyright (c) 2019 École Polytechnique de Montréal |
| * |
| * All rights reserved. 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 |
| *******************************************************************************/ |
| |
| package org.eclipse.tracecompass.common.core.tests.format; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| |
| import java.text.Format; |
| import java.text.ParseException; |
| import java.text.ParsePosition; |
| |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.junit.Test; |
| |
| /** |
| * Base formatter test that tests the formatting to String, as well as string |
| * parsing for different values. |
| * |
| * @author Geneviève Bastien |
| */ |
| public abstract class FormatTestBase { |
| |
| private final @Nullable Number fNumValue; |
| private final @NonNull String fStringValue; |
| private final @Nullable Number fParseValue; |
| private final int fParseIndex; |
| |
| /** |
| * Constructor |
| * |
| * @param numValue |
| * The numeric value. Use <code>null</code> to not test the |
| * number to string conversion for this test case. |
| * @param stringValue |
| * The string value |
| * @param parseValue |
| * The parse value of the string value, can be <code>null</code> |
| * if the string is supposed to either throw an exception of |
| * return a null value. |
| * @param parseIndex |
| * The expected index of end of string. Putting <code>-1</code> |
| * means the whole string has been parsed. If the parseValue is |
| * null, this value will be ignored. |
| */ |
| public FormatTestBase(@Nullable Number numValue, @NonNull String stringValue, @Nullable Number parseValue, int parseIndex) { |
| fNumValue = numValue; |
| fStringValue = stringValue; |
| fParseValue = parseValue; |
| fParseIndex = parseIndex; |
| } |
| |
| /** |
| * Get the formatter to test |
| * |
| * @return The formatter to test |
| */ |
| protected abstract Format getFormatter(); |
| |
| /** |
| * Test the {@link Format#format(Object)} method |
| */ |
| @Test |
| public void testFormat() { |
| // If the value is null, don't test formatting |
| if (fNumValue != null) { |
| assertEquals("format value", fStringValue, getFormatter().format(fNumValue)); |
| } |
| } |
| |
| /** |
| * Test the {@link Format#parseObject(String)} method |
| * |
| * @throws ParseException |
| * if the string cannot be parsed |
| */ |
| @Test |
| public void testParseObject() throws ParseException { |
| if (fParseValue != null) { |
| assertEquals("parseObject value", fParseValue, getFormatter().parseObject(fStringValue)); |
| } else { |
| // String should throw an error |
| ParseException exception = null; |
| try { |
| getFormatter().parseObject(fStringValue); |
| } catch (ParseException e) { |
| exception = e; |
| } |
| assertNotNull(exception); |
| } |
| } |
| |
| /** |
| * Test the {@link Format#parseObject(String, ParsePosition)} method |
| */ |
| @Test |
| public void testParseObject2() { |
| ParsePosition pos = new ParsePosition(0); |
| if (fParseValue != null) { |
| assertEquals("parseObject with pos value", fParseValue, getFormatter().parseObject(fStringValue, pos)); |
| if (fParseIndex < 0) { |
| // The whole length of the string should have been parsed |
| assertEquals("String parsed final position", fStringValue.length(), pos.getIndex()); |
| assertEquals("String parsed error index position", -1, pos.getErrorIndex()); |
| } else { |
| // There's trailing string after the parsing |
| assertEquals("String parsed final position", fParseIndex, pos.getIndex()); |
| } |
| } else { |
| // String should return null |
| assertNull(getFormatter().parseObject(fStringValue, pos)); |
| assertNotEquals("String parsed final position", fStringValue.length(), pos.getIndex()); |
| } |
| } |
| |
| /** |
| * Test format with an illegal argument |
| */ |
| @Test |
| public void testFormatIllegalArgument() { |
| assertEquals("Illegal argument", "", getFormatter().format("Toto")); |
| } |
| |
| } |