public void testBufferWithAssociatedFile() throws Exception {
final String s0 = "A shield for your eyes\na beast in the well on your hand";
final String s1 =
"Catch the mean beast\nin the well in the hell on the back\n"
+ "Watch out! You've got no shield\n"
+ "Break up! He's got no peace";
final StringTextSource textSource = new StringTextSource(s0);
assertSame(s0, textSource.getText());
final File file = new File(getDirectory(), "myfile.txt");
final Buffer buffer = new BufferImplementation(s_resources, textSource, file);
assertEquals(Buffer.TEXT_BUFFER, buffer.getType());
assertTrue(!buffer.isDirty());
assertTrue(!buffer.isUpToDate());
assertEquals(file, buffer.getFile());
assertEquals(textSource, buffer.getTextSource());
buffer.save();
assertTrue(!buffer.isDirty());
assertTrue(buffer.isUpToDate());
assertSame(s0, textSource.getText());
textSource.setText(s1);
textSource.markDirty();
assertTrue(buffer.isDirty());
assertTrue(buffer.isUpToDate());
assertSame(s1, textSource.getText());
buffer.load();
assertTrue(!buffer.isDirty());
assertTrue(buffer.isUpToDate());
assertEquals(canonicaliseLineEndings(s0), textSource.getText());
assertNotSame(s0, textSource.getText());
// Add an error margin, as Linux does not support setting the modification
// date with millisecond precision.
assertTrue(file.setLastModified(System.currentTimeMillis() + 1000));
assertTrue(!buffer.isUpToDate());
buffer.load();
assertTrue(buffer.isUpToDate());
assertEquals(textSource, buffer.getTextSource());
}
/**
* Select the buffer for the given file.
*
* @param file The file.
* @return The buffer.
* @throws ConsoleException If a buffer could not be selected for the file.
*/
public Buffer selectBufferForFile(File file) throws ConsoleException {
final Buffer existingBuffer = getBufferForFile(file);
final Buffer buffer;
if (existingBuffer != null) {
buffer = existingBuffer;
selectBuffer(buffer);
if (!buffer.isUpToDate()) {
// The user's edits conflict with a file system change.
// We ensure the buffer is selected before firing this event because
// the UI might only raise out of date warnings for selected buffers.
fireBufferNotUpToDate(buffer);
}
} else {
buffer = new BufferImplementation(m_resources, m_textSourceFactory.create(), file);
buffer.load();
addBuffer(buffer);
m_fileBuffers.put(file, buffer);
selectBuffer(buffer);
}
return buffer;
}
public void testBufferWithLargeFile() throws Exception {
final char[] chars = "0123456789abcdef".toCharArray();
final char[] manyChars = new char[10000];
for (int i = 0; i < manyChars.length; ++i) {
manyChars[i] = chars[i % chars.length];
}
final String s0 = new String(manyChars);
final StringTextSource textSource = new StringTextSource(s0);
assertSame(s0, textSource.getText());
final File file = new File(getDirectory(), "myfile.txt");
final Buffer buffer = new BufferImplementation(s_resources, textSource, file);
assertEquals(Buffer.TEXT_BUFFER, buffer.getType());
assertTrue(!buffer.isDirty());
assertTrue(!buffer.isUpToDate());
assertEquals(file, buffer.getFile());
assertEquals(textSource, buffer.getTextSource());
buffer.save();
assertTrue(!buffer.isDirty());
assertTrue(buffer.isUpToDate());
assertSame(s0, textSource.getText());
buffer.load();
assertTrue(!buffer.isDirty());
assertTrue(buffer.isUpToDate());
assertEquals(canonicaliseLineEndings(s0), textSource.getText());
assertNotSame(s0, textSource.getText());
}
public void testBufferWithBadAssociatedFile() throws Exception {
final StringTextSource textSource = new StringTextSource("");
final Buffer buffer = new BufferImplementation(s_resources, textSource, getDirectory());
try {
buffer.load();
fail("Expected DisplayMessageConsoleException");
} catch (DisplayMessageConsoleException e) {
assertTrue(e.getCause() instanceof IOException);
}
try {
buffer.save();
fail("Expected DisplayMessageConsoleException");
} catch (DisplayMessageConsoleException e) {
assertTrue(e.getCause() instanceof IOException);
}
}
public void testBufferWithNoFile() throws Exception {
final String text = "Some text for testing with";
final TextSource textSource = new StringTextSource(text);
assertEquals(text, textSource.getText());
final Buffer buffer = new BufferImplementation(s_resources, textSource, "My Buffer");
assertNotNull(textSource.getText());
assertEquals(text, textSource.getText());
assertEquals("My Buffer", buffer.getDisplayName());
assertTrue(buffer.toString().indexOf(buffer.getDisplayName()) >= 0);
try {
buffer.load();
fail("Expected EditorException");
} catch (EditorException e) {
}
try {
buffer.save();
fail("Expected EditorException");
} catch (EditorException e) {
}
assertTrue(!buffer.isDirty());
assertTrue(buffer.isUpToDate());
assertNull(buffer.getFile());
assertEquals(textSource, buffer.getTextSource());
assertEquals(Buffer.UNKNOWN_BUFFER, buffer.getType());
assertTrue(!buffer.isDirty());
assertTrue(buffer.isUpToDate());
assertNull(buffer.getFile());
assertEquals(textSource, buffer.getTextSource());
}