Examples of org.ow2.asm.MethodVisitor.visitLookupSwitchInsn()

org.ow2.asm.MethodVisitor.visitLookupSwitchInsn()
Visits a LOOKUPSWITCH instruction. @param dflt beginning of the default handler block. @param keys the values of the keys. @param labels beginnings of the handler blocks. labels[i] isthe beginning of the handler block for the keys[i] key.

        // lookupswitch
        Label l4 = new Label();
        Label l5 = new Label();
        Label l6 = new Label();
        mv.visitVarInsn(ILOAD, 1);
        mv.visitLookupSwitchInsn(l6, new int[] { 0, 1, 2 }, new Label[] {
            l4,
            l5,
            l6 });
        mv.visitLabel(l4);
        mv.visitInsn(ICONST_1);

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    public void testIllegalLookupSwitchParameters1() {
        MethodVisitor mv = new CheckMethodAdapter(new EmptyVisitor());
        mv.visitCode();
        try {
            mv.visitLookupSwitchInsn(new Label(), null, new Label[0]);
            fail();
        } catch (Exception e) {
        }
    }

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    public void testIllegalLookupSwitchParameters2() {
        MethodVisitor mv = new CheckMethodAdapter(new EmptyVisitor());
        mv.visitCode();
        try {
            mv.visitLookupSwitchInsn(new Label(), new int[0], null);
            fail();
        } catch (Exception e) {
        }
    }

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    public void testIllegalLookupSwitchParameters3() {
        MethodVisitor mv = new CheckMethodAdapter(new EmptyVisitor());
        mv.visitCode();
        try {
            mv.visitLookupSwitchInsn(new Label(), new int[0], new Label[1]);
            fail();
        } catch (Exception e) {
        }
    }

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