Merge pull request #209 from scijava/fix-ignore-step-size

Fix ignore step size

Author: ctrueden

src/main/java/org/scijava/command/CommandModuleItem.java

@@ -145,7 +145,14 @@ public T getMaximumValue() {
 
 	@Override
 	public Number getStepSize() {
-		return tValue(getParameter().stepSize(), Number.class);
+		final String value = getParameter().stepSize();
+		try {
+			final double stepSize = Double.parseDouble(value);
+			return stepSize;
+		}
+		catch (final NumberFormatException exc) {
+			return tValue(value, Number.class);
+		}
 	}
 
 	@Override

src/test/java/org/scijava/command/InvalidCommandTest.java

@@ -71,6 +71,10 @@ public void testValid() {
 		final List<ValidityProblem> problems = info.getProblems();
 		assertNotNull(problems);
 		assertEquals(0, problems.size());
+		
+		final Number stepSize = info.getInput("x").getStepSize();
+		assertNotNull(stepSize);
+		assertEquals(10, stepSize.intValue());
 	}
 
 	@Test
@@ -101,7 +105,7 @@ public void testInvalid() {
 	@Plugin(type = Command.class)
 	public static class ValidCommand implements Command {
 
-		@Parameter
+		@Parameter(stepSize = "10")
 		private double x;
 
 		@Parameter(type = ItemIO.OUTPUT)