128 lines
4.8 KiB
Java
128 lines
4.8 KiB
Java
/*
|
|
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
/*
|
|
* @test
|
|
* @summary Test custom id generators
|
|
* @build KullaTesting TestingInputStream
|
|
* @run testng IdGeneratorTest
|
|
*/
|
|
|
|
import java.io.ByteArrayOutputStream;
|
|
import java.io.PrintStream;
|
|
import java.util.List;
|
|
import java.util.function.Supplier;
|
|
|
|
import jdk.jshell.EvalException;
|
|
import jdk.jshell.JShell;
|
|
import jdk.jshell.SnippetEvent;
|
|
import jdk.jshell.UnresolvedReferenceException;
|
|
import jdk.jshell.VarSnippet;
|
|
import org.testng.annotations.Test;
|
|
|
|
import static org.testng.Assert.assertEquals;
|
|
import static org.testng.Assert.assertTrue;
|
|
|
|
@Test
|
|
public class IdGeneratorTest {
|
|
|
|
public JShell.Builder getBuilder() {
|
|
TestingInputStream inStream = new TestingInputStream();
|
|
ByteArrayOutputStream outStream = new ByteArrayOutputStream();
|
|
ByteArrayOutputStream errStream = new ByteArrayOutputStream();
|
|
return JShell.builder()
|
|
.in(inStream)
|
|
.out(new PrintStream(outStream))
|
|
.err(new PrintStream(errStream))
|
|
.executionEngine(Presets.TEST_DEFAULT_EXECUTION);
|
|
}
|
|
|
|
public void testTempNameGenerator() {
|
|
JShell.Builder builder = getBuilder().tempVariableNameGenerator(new Supplier<String>() {
|
|
int count = 0;
|
|
|
|
@Override
|
|
public String get() {
|
|
return "temp" + ++count;
|
|
}
|
|
});
|
|
try (JShell jShell = builder.build()) {
|
|
for (int i = 0; i < 3; ++i) {
|
|
VarSnippet v = (VarSnippet) jShell.eval("2 + " + (i + 1)).get(0).snippet();
|
|
assertEquals("temp" + (i + 1), v.name(), "Custom id: ");
|
|
}
|
|
}
|
|
}
|
|
|
|
public void testResetTempNameGenerator() {
|
|
JShell.Builder builder = getBuilder().tempVariableNameGenerator(() -> {
|
|
throw new AssertionError("Should not be called");
|
|
});
|
|
try (JShell jShell = builder.tempVariableNameGenerator(null).build()) {
|
|
jShell.eval("2 + 2");
|
|
}
|
|
}
|
|
|
|
public void testIdGenerator() {
|
|
JShell.Builder builder = getBuilder().idGenerator(((snippet, id) -> "custom" + id));
|
|
try (JShell jShell = builder.build()) {
|
|
List<SnippetEvent> eval = jShell.eval("int a, b;");
|
|
checkIds(eval);
|
|
checkIds(jShell.drop(eval.get(0).snippet()));
|
|
}
|
|
}
|
|
|
|
private void checkIds(List<SnippetEvent> events) {
|
|
for (SnippetEvent event : events) {
|
|
assertTrue(event.snippet().id().startsWith("custom"), "Not started with \"custom\": "
|
|
+ event.snippet().id());
|
|
}
|
|
}
|
|
|
|
public void testIdInException() {
|
|
JShell.Builder builder = getBuilder().idGenerator(((snippet, id) -> "custom" + id));
|
|
try (JShell jShell = builder.build()) {
|
|
EvalException evalException = (EvalException) jShell.eval("throw new Error();").get(0).exception();
|
|
for (StackTraceElement ste : evalException.getStackTrace()) {
|
|
assertTrue(ste.getFileName().startsWith("#custom"), "Not started with \"#custom\": "
|
|
+ ste.getFileName());
|
|
}
|
|
jShell.eval("void f() { g(); }");
|
|
UnresolvedReferenceException unresolvedException = (UnresolvedReferenceException) jShell.eval("f();").get(0).exception();
|
|
for (StackTraceElement ste : unresolvedException.getStackTrace()) {
|
|
assertTrue(ste.getFileName().startsWith("#custom"), "Not started with \"#custom\": "
|
|
+ ste.getFileName());
|
|
}
|
|
}
|
|
}
|
|
|
|
public void testResetIdGenerator() {
|
|
JShell.Builder builder = getBuilder().idGenerator((sn, id) -> {
|
|
throw new AssertionError("Should not be called");
|
|
});
|
|
try (JShell jShell = builder.idGenerator(null).build()) {
|
|
jShell.eval("2 + 2");
|
|
}
|
|
}
|
|
}
|