diff --git a/src/java.desktop/macosx/classes/sun/lwawt/LWListPeer.java b/src/java.desktop/macosx/classes/sun/lwawt/LWListPeer.java index e2f26201919..001a44ebf8a 100644 --- a/src/java.desktop/macosx/classes/sun/lwawt/LWListPeer.java +++ b/src/java.desktop/macosx/classes/sun/lwawt/LWListPeer.java @@ -1,5 +1,5 @@ /* - * Copyright (c) 2011, 2025, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2026, 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 @@ -45,7 +45,7 @@ import javax.swing.JScrollBar; import javax.swing.JScrollPane; import javax.swing.JViewport; import javax.swing.ListCellRenderer; -import javax.swing.ListSelectionModel; +import javax.swing.ListModel; import javax.swing.event.ListSelectionEvent; import javax.swing.event.ListSelectionListener; @@ -53,6 +53,9 @@ import static java.awt.event.ItemEvent.DESELECTED; import static java.awt.event.ItemEvent.ITEM_STATE_CHANGED; import static java.awt.event.ItemEvent.SELECTED; +import static javax.swing.ListSelectionModel.MULTIPLE_INTERVAL_SELECTION; +import static javax.swing.ListSelectionModel.SINGLE_SELECTION; + /** * Lightweight implementation of {@link ListPeer}. Delegates most of the work to * the {@link JList}, which is placed inside {@link JScrollPane}. @@ -157,11 +160,14 @@ final class LWListPeer extends LWComponentPeer @Override public void select(final int index) { synchronized (getDelegateLock()) { - getDelegate().setSkipStateChangedEvent(true); - try { - getDelegate().getView().setSelectedIndex(index); - } finally { - getDelegate().setSkipStateChangedEvent(false); + ListModel model = getDelegate().getModel(); + if (index >= 0 && index < model.getSize()) { + getDelegate().setSkipStateChangedEvent(true); + try { + getDelegate().getView().addSelectionInterval(index, index); + } finally { + getDelegate().setSkipStateChangedEvent(false); + } } } } @@ -188,9 +194,23 @@ final class LWListPeer extends LWComponentPeer @Override public void setMultipleMode(final boolean m) { synchronized (getDelegateLock()) { - getDelegate().getView().setSelectionMode(m ? - ListSelectionModel.MULTIPLE_INTERVAL_SELECTION - : ListSelectionModel.SINGLE_SELECTION); + JList view = getDelegate().getView(); + int newMode = m ? MULTIPLE_INTERVAL_SELECTION : SINGLE_SELECTION; + if (view.getSelectionMode() == newMode) { + return; + } + int lead = view.getLeadSelectionIndex(); + boolean wasSelected = lead != -1 && view.isSelectedIndex(lead); + getDelegate().setSkipStateChangedEvent(true); + try { + view.clearSelection(); + view.setSelectionMode(newMode); + if (wasSelected) { + view.setSelectedIndex(lead); + } + } finally { + getDelegate().setSkipStateChangedEvent(false); + } } } diff --git a/test/jdk/ProblemList.txt b/test/jdk/ProblemList.txt index 599b47c4877..4299754d43e 100644 --- a/test/jdk/ProblemList.txt +++ b/test/jdk/ProblemList.txt @@ -151,6 +151,7 @@ java/awt/grab/EmbeddedFrameTest1/EmbeddedFrameTest1.java 7080150 macosx-all java/awt/event/InputEvent/EventWhenTest/EventWhenTest.java 8168646 generic-all java/awt/List/KeyEventsTest/KeyEventsTest.java 8201307 linux-all java/awt/List/NoEvents/ProgrammaticChange.java 8201307 linux-all +java/awt/List/ListSelection/SelectInvalidTest.java 8369455 linux-all java/awt/Paint/ListRepaint.java 8201307 linux-all java/awt/Mixing/AWT_Mixing/OpaqueOverlapping.java 8370584 windows-x64 java/awt/Mixing/AWT_Mixing/OpaqueOverlappingChoice.java 8048171 generic-all diff --git a/test/jdk/java/awt/List/ListSelection/DeselectionUnitTest.java b/test/jdk/java/awt/List/ListSelection/DeselectionUnitTest.java new file mode 100644 index 00000000000..4db4637f432 --- /dev/null +++ b/test/jdk/java/awt/List/ListSelection/DeselectionUnitTest.java @@ -0,0 +1,159 @@ +/* + * Copyright Amazon.com Inc. 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. + */ + +import java.awt.Frame; +import java.awt.List; + +import static jdk.test.lib.Asserts.assertEquals; +import static jdk.test.lib.Asserts.assertFalse; +import static jdk.test.lib.Asserts.assertTrue; + +/** + * @test + * @bug 8369327 + * @summary Test awt list deselection methods + * @key headful + * @library /test/lib + * @build jdk.test.lib.Asserts + * @run main DeselectionUnitTest + */ +public final class DeselectionUnitTest { + + public static void main(String[] args) { + testNonDisplayable(DeselectionUnitTest::testSingleMode); + testNonDisplayable(DeselectionUnitTest::testMultipleMode); + testNonDisplayable(DeselectionUnitTest::testInvalidDeselection); + testNonDisplayable(DeselectionUnitTest::testEmptyListDeselection); + + testDisplayable(DeselectionUnitTest::testSingleMode); + testDisplayable(DeselectionUnitTest::testMultipleMode); + testDisplayable(DeselectionUnitTest::testInvalidDeselection); + testDisplayable(DeselectionUnitTest::testEmptyListDeselection); + } + + interface Test { + void execute(Frame frame); + } + + private static void testNonDisplayable(Test test) { + test.execute(null); + } + + private static void testDisplayable(Test test) { + Frame frame = new Frame(); + try { + frame.setSize(300, 200); + frame.setLocationRelativeTo(null); + frame.setVisible(true); + test.execute(frame); + } finally { + frame.dispose(); + } + } + + private static List createList(Frame frame, boolean multi) { + List list = new List(4, multi); + if (frame != null) { + frame.add(list); + } + list.add("Item1"); + list.add("Item2"); + list.add("Item3"); + return list; + } + + private static void testSingleMode(Frame frame) { + List list = createList(frame, false); + + // Select and deselect single item + list.select(1); + assertTrue(list.isIndexSelected(1)); + list.deselect(1); + assertEquals(-1, list.getSelectedIndex()); + assertEquals(0, list.getSelectedIndexes().length); + assertFalse(list.isIndexSelected(0)); + assertFalse(list.isIndexSelected(1)); + assertFalse(list.isIndexSelected(2)); + + // Deselect non-selected item (should be no-op) + list.select(0); + list.deselect(2); + assertEquals(0, list.getSelectedIndex()); + assertTrue(list.isIndexSelected(0)); + assertFalse(list.isIndexSelected(1)); + assertFalse(list.isIndexSelected(2)); + } + + private static void testMultipleMode(Frame frame) { + List list = createList(frame, true); + + // Select multiple items and deselect one + list.select(0); + list.select(1); + list.select(2); + assertEquals(3, list.getSelectedIndexes().length); + + list.deselect(1); + assertEquals(2, list.getSelectedIndexes().length); + assertTrue(list.isIndexSelected(0)); + assertFalse(list.isIndexSelected(1)); + assertTrue(list.isIndexSelected(2)); + + // Deselect all remaining + list.deselect(0); + list.deselect(2); + assertEquals(-1, list.getSelectedIndex()); + assertEquals(0, list.getSelectedIndexes().length); + assertFalse(list.isIndexSelected(0)); + assertFalse(list.isIndexSelected(1)); + assertFalse(list.isIndexSelected(2)); + } + + private static void testInvalidDeselection(Frame frame) { + List list = createList(frame, false); + + // Deselect invalid indices (should be no-op) + list.select(0); + list.deselect(-1); + list.deselect(5); + assertEquals(0, list.getSelectedIndex()); + assertTrue(list.isIndexSelected(0)); + assertFalse(list.isIndexSelected(1)); + assertFalse(list.isIndexSelected(2)); + } + + private static void testEmptyListDeselection(Frame frame) { + List list = new List(); + if (frame != null) { + frame.add(list); + } + + // Deselect on empty list (should be no-op) + list.deselect(0); + list.deselect(-1); + assertEquals(-1, list.getSelectedIndex()); + assertEquals(0, list.getSelectedIndexes().length); + assertFalse(list.isIndexSelected(0)); + } + +} diff --git a/test/jdk/java/awt/List/ListSelection/SelectInvalidTest.java b/test/jdk/java/awt/List/ListSelection/SelectInvalidTest.java new file mode 100644 index 00000000000..ac29b270c81 --- /dev/null +++ b/test/jdk/java/awt/List/ListSelection/SelectInvalidTest.java @@ -0,0 +1,216 @@ +/* + * Copyright Amazon.com Inc. 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. + */ + +import java.awt.Frame; +import java.awt.List; + +import jdk.test.lib.Platform; + +import static jdk.test.lib.Asserts.assertEquals; +import static jdk.test.lib.Asserts.assertFalse; +import static jdk.test.lib.Asserts.assertTrue; + +/** + * @test + * @bug 8369327 + * @summary Test awt list selection of invalid indexes + * @key headful + * @library /test/lib + * @build jdk.test.lib.Asserts jdk.test.lib.Platform + * @run main SelectInvalidTest + */ +public final class SelectInvalidTest { + + /** + * A special index on windows, selects or deselects all elements. + */ + private static final int WINDOWS_INVALID = -1; + + /** + * The list of invalid indexes, their usages should be noop. + */ + private static final int[] INVALID = { + WINDOWS_INVALID, Integer.MIN_VALUE, -100, 3, 100, Integer.MAX_VALUE + }; + + public static void main(String[] args) { + for (int i : INVALID) { + if (Platform.isWindows() && i == WINDOWS_INVALID) { + testDisplayable(SelectInvalidTest::testWinDeselectAllSingleMode, i); + testDisplayable(SelectInvalidTest::testWinSelectAllMultipleMode, i); + } else { + testDisplayable(SelectInvalidTest::testSingleMode, i); + testDisplayable(SelectInvalidTest::testMultipleMode, i); + testDisplayable(SelectInvalidTest::testEmptySelection, i); + } + } + } + + interface Test { + void execute(Frame frame, int invalid); + } + + private static void testDisplayable(Test test, int invalid) { + Frame frame = new Frame(); + try { + frame.setSize(300, 200); + frame.setLocationRelativeTo(null); + frame.setVisible(true); + test.execute(frame, invalid); + } finally { + frame.dispose(); + } + } + + private static void testSingleMode(Frame frame, int invalid) { + List list = new List(4, false); + frame.add(list); + list.add("Item1"); + list.add("Item2"); + list.add("Item3"); + + // Test initial state + list.select(invalid); + assertEquals(-1, list.getSelectedIndex()); + assertEquals(0, list.getSelectedIndexes().length); + assertFalse(list.isIndexSelected(0)); + assertFalse(list.isIndexSelected(1)); + assertFalse(list.isIndexSelected(2)); + + // Test single selection + list.select(1); + list.select(invalid); + assertEquals(1, list.getSelectedIndex()); + assertEquals(1, list.getSelectedIndexes().length); + assertEquals(1, list.getSelectedIndexes()[0]); + assertFalse(list.isIndexSelected(0)); + assertTrue(list.isIndexSelected(1)); + assertFalse(list.isIndexSelected(2)); + + // Test selection replacement in single mode + list.select(2); + list.select(invalid); + assertEquals(2, list.getSelectedIndex()); + assertEquals(1, list.getSelectedIndexes().length); + assertEquals(2, list.getSelectedIndexes()[0]); + assertFalse(list.isIndexSelected(0)); + assertFalse(list.isIndexSelected(1)); + assertTrue(list.isIndexSelected(2)); + } + + private static void testMultipleMode(Frame frame, int invalid) { + List list = new List(4, true); + frame.add(list); + list.add("Item1"); + list.add("Item2"); + list.add("Item3"); + + // Test multiple selections + list.select(0); + list.select(2); + list.select(invalid); + // Returns -1 for multiple selections + assertEquals(-1, list.getSelectedIndex()); + assertEquals(2, list.getSelectedIndexes().length); + assertTrue(list.isIndexSelected(0)); + assertFalse(list.isIndexSelected(1)); + assertTrue(list.isIndexSelected(2)); + + // Test partial deselection + list.deselect(0); + list.select(invalid); + // Single selection remaining + assertEquals(2, list.getSelectedIndex()); + assertEquals(1, list.getSelectedIndexes().length); + assertEquals(2, list.getSelectedIndexes()[0]); + assertFalse(list.isIndexSelected(0)); + assertFalse(list.isIndexSelected(1)); + assertTrue(list.isIndexSelected(2)); + } + + private static void testEmptySelection(Frame frame, int invalid) { + List list = new List(); + frame.add(list); + list.select(invalid); + assertEquals(-1, list.getSelectedIndex()); + assertEquals(0, list.getSelectedIndexes().length); + assertFalse(list.isIndexSelected(0)); + } + + private static void testWinDeselectAllSingleMode(Frame frame, int invalid) { + List list = new List(4, false); + frame.add(list); + list.add("Item1"); + list.add("Item2"); + list.add("Item3"); + + list.select(invalid); + assertEquals(-1, list.getSelectedIndex()); + assertEquals(0, list.getSelectedIndexes().length); + assertFalse(list.isIndexSelected(0)); + assertFalse(list.isIndexSelected(1)); + assertFalse(list.isIndexSelected(2)); + + list.select(1); + list.select(invalid); + assertEquals(-1, list.getSelectedIndex()); + assertEquals(0, list.getSelectedIndexes().length); + assertFalse(list.isIndexSelected(0)); + assertFalse(list.isIndexSelected(1)); + assertFalse(list.isIndexSelected(2)); + + list.select(2); + list.select(invalid); + assertEquals(-1, list.getSelectedIndex()); + assertEquals(0, list.getSelectedIndexes().length); + assertFalse(list.isIndexSelected(0)); + assertFalse(list.isIndexSelected(1)); + assertFalse(list.isIndexSelected(2)); + } + + private static void testWinSelectAllMultipleMode(Frame frame, int invalid) { + List list = new List(4, true); + frame.add(list); + list.add("Item1"); + list.add("Item2"); + list.add("Item3"); + + list.select(0); + list.select(2); + list.select(invalid); + assertEquals(-1, list.getSelectedIndex()); + assertEquals(3, list.getSelectedIndexes().length); + assertTrue(list.isIndexSelected(0)); + assertTrue(list.isIndexSelected(1)); + assertTrue(list.isIndexSelected(2)); + + list.deselect(0); + list.select(invalid); + assertEquals(-1, list.getSelectedIndex()); + assertEquals(3, list.getSelectedIndexes().length); + assertTrue(list.isIndexSelected(0)); + assertTrue(list.isIndexSelected(1)); + assertTrue(list.isIndexSelected(2)); + } + +} diff --git a/test/jdk/java/awt/List/ListSelection/SelectionUnitTest.java b/test/jdk/java/awt/List/ListSelection/SelectionUnitTest.java new file mode 100644 index 00000000000..7757eb61b08 --- /dev/null +++ b/test/jdk/java/awt/List/ListSelection/SelectionUnitTest.java @@ -0,0 +1,146 @@ +/* + * Copyright Amazon.com Inc. 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. + */ + +import java.awt.Frame; +import java.awt.List; + +import static jdk.test.lib.Asserts.assertEquals; +import static jdk.test.lib.Asserts.assertFalse; +import static jdk.test.lib.Asserts.assertTrue; + +/** + * @test + * @bug 8369327 + * @summary Test awt list selection methods + * @key headful + * @library /test/lib + * @build jdk.test.lib.Asserts + * @run main SelectionUnitTest + */ +public final class SelectionUnitTest { + + public static void main(String[] args) { + testNonDisplayable(SelectionUnitTest::testSingleMode); + testNonDisplayable(SelectionUnitTest::testMultipleMode); + testNonDisplayable(SelectionUnitTest::testEmptySelection); + + testDisplayable(SelectionUnitTest::testSingleMode); + testDisplayable(SelectionUnitTest::testMultipleMode); + testDisplayable(SelectionUnitTest::testEmptySelection); + } + + interface Test { + void execute(Frame frame); + } + + private static void testNonDisplayable(Test test) { + test.execute(null); + } + + private static void testDisplayable(Test test) { + Frame frame = new Frame(); + try { + frame.setSize(300, 200); + frame.setLocationRelativeTo(null); + frame.setVisible(true); + test.execute(frame); + } finally { + frame.dispose(); + } + } + + private static List createList(Frame frame, boolean multi) { + List list = new List(4, multi); + if (frame != null) { + frame.add(list); + } + list.add("Item1"); + list.add("Item2"); + list.add("Item3"); + return list; + } + + private static void testSingleMode(Frame frame) { + List list = createList(frame, false); + + // Test initial state + assertEquals(-1, list.getSelectedIndex()); + assertEquals(0, list.getSelectedIndexes().length); + assertFalse(list.isIndexSelected(0)); + assertFalse(list.isIndexSelected(1)); + assertFalse(list.isIndexSelected(2)); + + // Test single selection + list.select(1); + assertEquals(1, list.getSelectedIndex()); + assertEquals(1, list.getSelectedIndexes().length); + assertEquals(1, list.getSelectedIndexes()[0]); + assertFalse(list.isIndexSelected(0)); + assertTrue(list.isIndexSelected(1)); + assertFalse(list.isIndexSelected(2)); + + // Test selection replacement in single mode + list.select(2); + assertEquals(2, list.getSelectedIndex()); + assertEquals(1, list.getSelectedIndexes().length); + assertEquals(2, list.getSelectedIndexes()[0]); + assertFalse(list.isIndexSelected(0)); + assertFalse(list.isIndexSelected(1)); + assertTrue(list.isIndexSelected(2)); + } + + private static void testMultipleMode(Frame frame) { + List list = createList(frame, true); + + // Test multiple selections + list.select(0); + list.select(2); + // Returns -1 for multiple selections + assertEquals(-1, list.getSelectedIndex()); + assertEquals(2, list.getSelectedIndexes().length); + assertTrue(list.isIndexSelected(0)); + assertFalse(list.isIndexSelected(1)); + assertTrue(list.isIndexSelected(2)); + + // Test partial deselection + list.deselect(0); + // Single selection remaining + assertEquals(2, list.getSelectedIndex()); + assertEquals(1, list.getSelectedIndexes().length); + assertEquals(2, list.getSelectedIndexes()[0]); + assertFalse(list.isIndexSelected(0)); + assertFalse(list.isIndexSelected(1)); + assertTrue(list.isIndexSelected(2)); + } + + private static void testEmptySelection(Frame frame) { + List list = new List(); + if (frame != null) { + frame.add(list); + } + assertEquals(-1, list.getSelectedIndex()); + assertEquals(0, list.getSelectedIndexes().length); + assertFalse(list.isIndexSelected(0)); + } + +} diff --git a/test/jdk/java/awt/List/ListSelection/SetMultipleModeTest.java b/test/jdk/java/awt/List/ListSelection/SetMultipleModeTest.java new file mode 100644 index 00000000000..73c131c1105 --- /dev/null +++ b/test/jdk/java/awt/List/ListSelection/SetMultipleModeTest.java @@ -0,0 +1,133 @@ +/* + * Copyright Amazon.com Inc. 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. + */ + +import java.awt.Frame; +import java.awt.List; +import java.awt.Toolkit; +import java.util.Arrays; + +/** + * @test + * @bug 8369327 + * @summary Test awt list setMultipleMode selection + * @key headful + */ +public final class SetMultipleModeTest { + + public static void main(String[] args) { + // Non-displayable list + // test(null); Does not work per the spec + + // Displayable list + Frame frame = new Frame(); + try { + test(frame); + } finally { + frame.dispose(); + } + } + + private static void test(Frame frame) { + List list = new List(); + list.add("Item1"); + list.add("Item2"); + list.add("Item3"); + if (frame != null) { + frame.add(list); + frame.pack(); + } + + // Empty: mode switch preserves empty + list.setMultipleMode(true); + check(list); + list.deselect(0); + check(list); + list.setMultipleMode(false); + check(list); + + // Single to multi preserves selection + list.select(1); + list.setMultipleMode(true); + check(list, 1); + + // Multi to multi is no-op + list.select(0); + list.select(2); + check(list, 0, 1, 2); + list.setMultipleMode(true); + check(list, 0, 1, 2); + + // Multi to single keeps lead + list.setMultipleMode(false); + check(list, 2); + + // Single to single is no-op + list.setMultipleMode(false); + check(list, 2); + + // Round-trip + list.setMultipleMode(true); + check(list, 2); + list.setMultipleMode(false); + check(list, 2); + + // XAWT does not move the focus cursor on deselect(), + // so multi->single keeps the focused item, skip on XAWT + boolean isXToolkit = "sun.awt.X11.XToolkit".equals( + Toolkit.getDefaultToolkit().getClass().getName()); + if (!isXToolkit) { + // Deselect lead in multi, switch to single + list.setMultipleMode(true); + list.select(0); + list.select(1); + check(list, 0, 1, 2); + list.deselect(2); + check(list, 0, 1); + list.setMultipleMode(false); + check(list); + + // Deselect non-selected in multi, no-op + list.setMultipleMode(true); + list.select(0); + check(list, 0); + list.deselect(2); + check(list, 0); + list.setMultipleMode(false); + check(list); + } + + if (frame != null) { + frame.remove(list); + } + } + + private static void check(List list, int... expected) { + int[] actual = list.getSelectedIndexes(); + Arrays.sort(actual); + if (!Arrays.equals(expected, actual)) { + throw new RuntimeException( + "Expected %s, got %s".formatted(Arrays.toString(expected), + Arrays.toString(actual))); + } + } +}