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*
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* version 2 for more details (a copy is included in the LICENSE file that
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*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
* @test
* @summary Test Completion
* @modules jdk.internal.le/jdk.internal.jline
* jdk.internal.le/jdk.internal.jline.console
* jdk.internal.le/jdk.internal.jline.console.history
* jdk.internal.le/jdk.internal.jline.extra
* @build HistoryTest
* @run testng HistoryTest
*/
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.concurrent.atomic.AtomicBoolean;
import jdk.internal.jline.UnsupportedTerminal;
import jdk.internal.jline.console.ConsoleReader;
import jdk.internal.jline.console.history.MemoryHistory;
import jdk.internal.jline.extra.EditingHistory;
import org.testng.annotations.Test;
import static org.testng.Assert.*;
@Test
public class HistoryTest {
public void testHistory() throws IOException {
ConsoleReader in = new ConsoleReader(new ByteArrayInputStream(new byte[0]), new ByteArrayOutputStream(), new UnsupportedTerminal());
AtomicBoolean complete = new AtomicBoolean();
EditingHistory history = new EditingHistory(in, Collections.emptyList()) {
@Override
protected boolean isComplete(CharSequence input) {
return complete.get();
}
};
complete.set(false); history.add("void test() {");
complete.set(false); history.add(" System.err.println(1);");
complete.set(true); history.add("}");
complete.set(true); history.add("/exit");
previousAndAssert(history, "/exit");
history.previous(); history.previous(); history.previous();
complete.set(false); history.add("void test() { /*changed*/");
complete.set(true);
previousAndAssert(history, "}");
previousAndAssert(history, " System.err.println(1);");
previousAndAssert(history, "void test() {");
assertFalse(history.previous());
nextAndAssert(history, " System.err.println(1);");
nextAndAssert(history, "}");
nextAndAssert(history, "");
complete.set(false); history.add(" System.err.println(2);");
complete.set(true); history.add("} /*changed*/");
assertEquals(history.size(), 7);
Collection<? extends String> persistentHistory = history.save();
history = new EditingHistory(in, persistentHistory) {
@Override
protected boolean isComplete(CharSequence input) {
return complete.get();
}
};
previousSnippetAndAssert(history, "void test() { /*changed*/");
previousSnippetAndAssert(history, "/exit");
previousSnippetAndAssert(history, "void test() {");
assertFalse(history.previousSnippet());
nextSnippetAndAssert(history, "/exit");
nextSnippetAndAssert(history, "void test() { /*changed*/");
nextSnippetAndAssert(history, "");
assertFalse(history.nextSnippet());
complete.set(false); history.add("{");
complete.set(true); history.add("}");
persistentHistory = history.save();
history = new EditingHistory(in, persistentHistory) {
@Override
protected boolean isComplete(CharSequence input) {
return complete.get();
}
};
previousSnippetAndAssert(history, "{");
previousSnippetAndAssert(history, "void test() { /*changed*/");
previousSnippetAndAssert(history, "/exit");
previousSnippetAndAssert(history, "void test() {");
while (history.next());
complete.set(true); history.add("/*current1*/");
complete.set(true); history.add("/*current2*/");
complete.set(true); history.add("/*current3*/");
assertEquals(history.currentSessionEntries(), Arrays.asList("/*current1*/", "/*current2*/", "/*current3*/"));
history.remove(0);
assertEquals(history.currentSessionEntries(), Arrays.asList("/*current1*/", "/*current2*/", "/*current3*/"));
while (history.size() > 2)
history.remove(0);
assertEquals(history.currentSessionEntries(), Arrays.asList("/*current2*/", "/*current3*/"));
for (int i = 0; i < MemoryHistory.DEFAULT_MAX_SIZE * 2; i++) {
complete.set(true); history.add("/exit");
}
complete.set(false); history.add("void test() { /*after full*/");
complete.set(false); history.add(" System.err.println(1);");
complete.set(true); history.add("}");
previousSnippetAndAssert(history, "void test() { /*after full*/");
}
private void previousAndAssert(EditingHistory history, String expected) {
assertTrue(history.previous());
assertEquals(history.current().toString(), expected);
}
private void nextAndAssert(EditingHistory history, String expected) {
assertTrue(history.next());
assertEquals(history.current().toString(), expected);
}
private void previousSnippetAndAssert(EditingHistory history, String expected) {
assertTrue(history.previousSnippet());
assertEquals(history.current().toString(), expected);
}
private void nextSnippetAndAssert(EditingHistory history, String expected) {
assertTrue(history.nextSnippet());
assertEquals(history.current().toString(), expected);
}
}