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package jline;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.StringWriter;
import java.io.Writer;
import junit.framework.TestCase;
public class ConsoleReaderTest extends TestCase {
public ConsoleReaderTest(String name) {
super(name);
}
protected void setUp() throws Exception {
System.setProperty("jline.WindowsTerminal.directConsole", "false");
}
public void testDeleteAndBackspaceKeymappings() throws Exception {
// test only works on Windows
if (!(Terminal.getTerminal() instanceof WindowsTerminal))
return;
ConsoleReader consoleReader = new ConsoleReader();
assertNotNull(consoleReader);
assertEquals(127, consoleReader
.getKeyForAction(ConsoleReader.DELETE_NEXT_CHAR));
assertEquals(8, consoleReader
.getKeyForAction(ConsoleReader.DELETE_PREV_CHAR));
}
public void testReadline() throws Exception {
ConsoleReader consoleReader = createConsole("Sample String\r\n"
.getBytes());
assertNotNull(consoleReader);
String line = consoleReader.readLine();
assertEquals("Sample String", line);
}
public void testDeleteOnWindowsTerminal() throws Exception {
// test only works on Windows
if (!(Terminal.getTerminal() instanceof WindowsTerminal))
return;
char[] characters = new char[] { 'S', 's',
WindowsTerminal.SPECIAL_KEY_INDICATOR,
WindowsTerminal.LEFT_ARROW_KEY,
WindowsTerminal.SPECIAL_KEY_INDICATOR,
WindowsTerminal.DELETE_KEY, '\r', 'n' };
assertWindowsKeyBehavior("S", characters);
}
public void testNumpadDeleteOnWindowsTerminal() throws Exception {
// test only works on Windows
if (!(Terminal.getTerminal() instanceof WindowsTerminal))
return;
char[] characters = new char[] { 'S', 's',
WindowsTerminal.NUMPAD_KEY_INDICATOR,
WindowsTerminal.LEFT_ARROW_KEY,
WindowsTerminal.NUMPAD_KEY_INDICATOR,
WindowsTerminal.DELETE_KEY, '\r', 'n' };
assertWindowsKeyBehavior("S", characters);
}
public void testHomeKeyOnWindowsTerminal() throws Exception {
// test only works on Windows
if (!(Terminal.getTerminal() instanceof WindowsTerminal))
return;
char[] characters = new char[] { 'S', 's',
WindowsTerminal.SPECIAL_KEY_INDICATOR,
WindowsTerminal.HOME_KEY, 'x', '\r', '\n' };
assertWindowsKeyBehavior("xSs", characters);
}
public void testEndKeyOnWindowsTerminal() throws Exception {
// test only works on Windows
if (!(Terminal.getTerminal() instanceof WindowsTerminal))
return;
char[] characters = new char[] { 'S', 's',
WindowsTerminal.SPECIAL_KEY_INDICATOR,
WindowsTerminal.HOME_KEY, 'x',
WindowsTerminal.SPECIAL_KEY_INDICATOR, WindowsTerminal.END_KEY,
'j', '\r', '\n' };
assertWindowsKeyBehavior("xSsj", characters);
}
public void testPageUpOnWindowsTerminal() throws Exception {
// test only works on Windows
if (!(Terminal.getTerminal() instanceof WindowsTerminal))
return;
char[] characters = new char[] { WindowsTerminal.SPECIAL_KEY_INDICATOR,
WindowsTerminal.PAGE_UP_KEY, '\r', '\n' };
assertWindowsKeyBehavior("dir", characters);
}
public void testPageDownOnWindowsTerminal() throws Exception {
// test only works on Windows
if (!(Terminal.getTerminal() instanceof WindowsTerminal))
return;
char[] characters = new char[] { WindowsTerminal.SPECIAL_KEY_INDICATOR,
WindowsTerminal.PAGE_DOWN_KEY, '\r', '\n' };
assertWindowsKeyBehavior("mkdir monkey", characters);
}
public void testEscapeOnWindowsTerminal() throws Exception {
// test only works on Windows
if (!(Terminal.getTerminal() instanceof WindowsTerminal))
return;
char[] characters = new char[] { 's', 's', 's',
WindowsTerminal.SPECIAL_KEY_INDICATOR,
WindowsTerminal.ESCAPE_KEY, '\r', '\n' };
assertWindowsKeyBehavior("", characters);
}
public void testInsertOnWindowsTerminal() throws Exception {
// test only works on Windows
if (!(Terminal.getTerminal() instanceof WindowsTerminal))
return;
char[] characters = new char[] { 'o', 'p', 's',
WindowsTerminal.SPECIAL_KEY_INDICATOR,
WindowsTerminal.HOME_KEY,
WindowsTerminal.SPECIAL_KEY_INDICATOR,
WindowsTerminal.INSERT_KEY, 'o', 'o', 'p', 's', '\r', '\n' };
assertWindowsKeyBehavior("oops", characters);
}
private void assertWindowsKeyBehavior(String expected, char[] input)
throws Exception {
StringBuffer buffer = new StringBuffer();
buffer.append(input);
ConsoleReader reader = createConsole(buffer.toString().getBytes());
assertNotNull(reader);
String line = reader.readLine();
assertEquals(expected, line);
}
private ConsoleReader createConsole(byte[] bytes) throws Exception {
InputStream in = new ByteArrayInputStream(bytes);
Writer writer = new StringWriter();
ConsoleReader reader = new ConsoleReader(in, writer);
reader.setHistory(createSeededHistory());
return reader;
}
private History createSeededHistory() {
History history = new History();
history.addToHistory("dir");
history.addToHistory("cd c:\\");
history.addToHistory("mkdir monkey");
return history;
}
}
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