|
Groovy example source code file (ReadLineTest.groovy)
The Groovy ReadLineTest.groovy source code// Do not remove this line: it is used in test below package groovy /** * Test to ensure that readLine() method works on Reader/InputStream * * @author <a href="mailto:jeremy.rayner@bigfoot.com">Jeremy Rayner * @author Joachim Baumann * @version $Revision: 8182 $ */ class ReadLineTest extends GroovyTestCase { def file void setUp() { file = new File("src/test/groovy/ReadLineTest.groovy") } void testReadOneLineFromReader() { def line file.withReader() {line = it.readLine()} assert line == "// Do not remove this line: it is used in test below" } static testString = " ä\n ö\n\n ü\r\n 5\r\r 7\n\r 9" static expectedLines = [ " ä", " ö", "", " ü", " 5", "", " 7", "", " 9" ] static String[] expectedLinesSlow = [ " ä", " ö", " ü", " 5", " 7" ] static int[] expectedChars = [' ', '9', -1]; void readFromReader(Reader reader) throws IOException { expectedLines.each { expected -> def line = reader.readLine() assertEquals("Readline should return correct line", expected, line) } assertNull("Readline should return null", reader.readLine()) } public void testBufferedReader() throws IOException { Reader reader = new BufferedReader(new StringReader(testString)) readFromReader(reader) } public void testReaderSupportingMark() throws IOException { Reader reader = new StringReader(testString) readFromReader(reader) } /* * In this case we cannot read more than one line separator * Thus empty lines can be returned if line separation is \r\n. */ public void testReaderSlow() throws IOException { Reader reader = new SlowStringReader(testString); expectedLinesSlow.each { expected -> String line = reader.readLine() while(line != null && line.length() == 0) { line = reader.readLine() } assertEquals("Readline should return correct line", expected, line); } assertEquals("Readline should return empty string", "", reader.readLine()); expectedChars.each { expected -> assertEquals("Remaining characters incorrect", expected, reader.read()) } assertNull(reader.readLine()); } } class SlowStringReader extends StringReader { public SlowStringReader(String s) { super(s); } public boolean markSupported() { return false } } Other Groovy examples (source code examples)Here is a short list of links related to this Groovy ReadLineTest.groovy source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.