TestSwitchWithFallThroughCase.java

package jadx.tests.integration.switches;

import jadx.core.dex.nodes.ClassNode;
import jadx.tests.api.IntegrationTest;

import org.junit.Test;

import static jadx.tests.api.utils.JadxMatchers.containsOne;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;

public class TestSwitchWithFallThroughCase extends IntegrationTest {

	@SuppressWarnings("fallthrough")
	public static class TestCls {
		public String test(int a, boolean b, boolean c) {
			String str = "";
			switch (a % 4) {
				case 1:
					str += ">";
					if (a == 5 && b) {
						if (c) {
							str += "1";
						} else {
							str += "!c";
						}
						break;
					}
				case 2:
					if (b) {
						str += "2";
					}
					break;
				case 3:
					break;
				default:
					str += "default";
					break;
			}
			str += ";";
			return str;
		}

		public void check() {
			assertEquals(">1;", test(5, true, true));
			assertEquals(">2;", test(1, true, true));
			assertEquals(";", test(3, true, true));
			assertEquals("default;", test(0, true, true));
		}
	}

	@Test
	public void test() {
		ClassNode cls = getClassNode(TestCls.class);
		String code = cls.getCode().toString();

		assertThat(code, containsOne("switch (a % 4) {"));
		assertThat(code, containsOne("if (a == 5 && b) {"));
		assertThat(code, containsOne("if (b) {"));
	}
}