Add unit tests for Accelerator class

Author: ctrueden

src/test/java/org/scijava/input/AcceleratorTest.java

@@ -0,0 +1,82 @@
+/*
+ * #%L
+ * SciJava Common shared library for SciJava software.
+ * %%
+ * Copyright (C) 2009 - 2025 SciJava developers.
+ * %%
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * #L%
+ */
+
+package org.scijava.input;
+
+import org.junit.Test;
+import org.scijava.util.PlatformUtils;
+
+import static org.junit.Assert.*;
+
+/**
+ * Tests {@link Accelerator}.
+ * 
+ * @author Curtis Rueden
+ */
+public class AcceleratorTest {
+
+	/** Tests {@link Accelerator#create}. */
+	@Test
+	public void testCreate() {
+		assertAccelerator("*", KeyCode.ASTERISK, false, false, false, false, false);
+		assertAccelerator("0", KeyCode.NUM0, false, false, false, false, false);
+		assertAccelerator("NUMPAD_0", KeyCode.NUMPAD_0, false, false, false, false, false);
+		assertAccelerator("+", KeyCode.PLUS, false, false, false, false, false);
+		assertAccelerator("shift minus", KeyCode.MINUS, false, false, false, false, true);
+		assertAccelerator("ctrl shift +", KeyCode.PLUS, false, false, true, false, true);
+		assertAccelerator("meta /", KeyCode.SLASH, false, false, false, true, false);
+		assertAccelerator("alt altGr ctrl meta shift a", KeyCode.A, true, true, true, true, true);
+
+		// Test caret shortcut symbol.
+		final boolean macos = PlatformUtils.isMac();
+		assertAccelerator("^Z", KeyCode.Z, false, false, !macos, macos, false);
+	}
+
+	private void assertAccelerator(String shortcut,
+		KeyCode keyCode,
+		final boolean alt,
+		final boolean altGr,
+		final boolean ctrl,
+		final boolean meta,
+		final boolean shift)
+	{
+		Accelerator acc = Accelerator.create(shortcut);
+		assertEquals(acc.getKeyCode(), keyCode);
+		InputModifiers mods = acc.getModifiers();
+		assertNotNull(mods);
+		assertEquals(alt, mods.isAltDown());
+		assertEquals(altGr, mods.isAltGrDown());
+		assertEquals(ctrl, mods.isCtrlDown());
+		assertEquals(meta, mods.isMetaDown());
+		assertEquals(shift, mods.isShiftDown());
+		assertFalse(mods.isLeftButtonDown());
+		assertFalse(mods.isMiddleButtonDown());
+		assertFalse(mods.isRightButtonDown());
+	}
+}