mirror of
https://github.com/i-net-software/JWebAssembly.git
synced 2025-03-25 23:47:51 +01:00
848 lines
23 KiB
Java
848 lines
23 KiB
Java
/*
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* Copyright 2018 - 2022 Volker Berlin (i-net software)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package de.inetsoftware.jwebassembly.runtime;
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import java.util.ArrayList;
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import java.util.Collection;
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import org.junit.ClassRule;
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import org.junit.runners.Parameterized.Parameters;
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import de.inetsoftware.jwebassembly.ScriptEngine;
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import de.inetsoftware.jwebassembly.WasmRule;
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import de.inetsoftware.jwebassembly.api.annotation.Export;
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@SuppressWarnings( { "javadoc", "null", "rawtypes", "cast", "boxing", "unused" } )
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public class ControlFlowOperators extends AbstractBaseTest {
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@ClassRule
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public static WasmRule rule = new WasmRule( TestClass.class );
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public ControlFlowOperators( ScriptEngine script, String method, Object[] params ) {
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super( rule, script, method, params );
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}
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@Parameters( name = "{0}-{1}" )
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public static Collection<Object[]> data() {
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ArrayList<Object[]> list = new ArrayList<>();
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for( ScriptEngine script : ScriptEngine.testEngines() ) {
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addParam( list, script, "ifeq" );
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addParam( list, script, "ifne" );
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addParam( list, script, "iflt" );
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addParam( list, script, "ifMultiple" );
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addParam( list, script, "ifMultipleDouble" );
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addParam( list, script, "ifCompare" );
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addParam( list, script, "switchDirect" );
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addParam( list, script, "endlessLoop" );
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addParam( list, script, "doWhileLoop" );
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addParam( list, script, "doWhileLoopTwoConditions" );
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addParam( list, script, "doWhileLoopWithBreak" );
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addParam( list, script, "whileLoop" );
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addParam( list, script, "whileLoopWithContinue" );
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addParam( list, script, "whileLoopInElse_3" );
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addParam( list, script, "whileLoopInElse_13" );
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addParam( list, script, "whileLoopInElseAfterReturn" );
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addParam( list, script, "whileLoopAfterIfWithReturn" );
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addParam( list, script, "whileLoopInsideLoop" );
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addParam( list, script, "forLoop" );
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addParam( list, script, "conditionalOperator" );
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addParam( list, script, "conditionalOperator2" );
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addParam( list, script, "conditionalOperatorConcated" );
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addParam( list, script, "conditionalOperatorConcated2" );
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addParam( list, script, "redifineVariable" );
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addParam( list, script, "ifAnd_0" );
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addParam( list, script, "ifAnd_3" );
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addParam( list, script, "ifAnd_6" );
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addParam( list, script, "if4And_6" );
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addParam( list, script, "if4And_7" );
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addParam( list, script, "ifOr0" );
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addParam( list, script, "ifOr1" );
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addParam( list, script, "ifOr3" );
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addParam( list, script, "ifOr5" );
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addParam( list, script, "ifOr7" );
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addParam( list, script, "ifAndOr0" );
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addParam( list, script, "ifAndOr2" );
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addParam( list, script, "ifAndOr4" );
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addParam( list, script, "ifAndOr6" );
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addParam( list, script, "ifAndOr8" );
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addParam( list, script, "ifAndOrComplex" );
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addParam( list, script, "ifWithoutElseAndLoop" );
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addParam( list, script, "ifOrWithMulti" );
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addParam( list, script, "ifMultipleInsideThen" );
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addParam( list, script, "ifWithConditionalInsideThen" );
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addParam( list, script, "conditionalInsideIf_1" );
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addParam( list, script, "conditionalInsideIf_2" );
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addParam( list, script, "conditionalInsideIf_3" );
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addParam( list, script, "conditionalInsideIf_4" );
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addParam( list, script, "ifWithReturn8" );
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addParam( list, script, "ifWithReturn17" );
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addParam( list, script, "ifWithReturn21" );
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addParam( list, script, "ifWithReturn27" );
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addParam( list, script, "ifWithReturn28" );
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addParam( list, script, "stringSwitchNormalFoo" );
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addParam( list, script, "stringSwitchNormalBar" );
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addParam( list, script, "stringSwitchNormalDefault" );
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addParam( list, script, "stringSwitchReverseFoo" );
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addParam( list, script, "stringSwitchReverseBar" );
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addParam( list, script, "stringSwitchReverseDefault" );
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addParam( list, script, "stringSwitchContinue1" );
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addParam( list, script, "stringSwitchContinue2" );
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addParam( list, script, "stringSwitchContinueDefault" );
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}
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rule.setTestParameters( list );
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return list;
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}
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static class TestClass {
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@Export
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static int ifeq() {
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int condition = 0;
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if( condition != 0 ) {
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return 13;
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} else {
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return 76;
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}
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}
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@Export
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static int ifne() {
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int condition = 3;
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if( condition == 0 ) {
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return 13;
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} else {
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return 76;
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}
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}
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@Export
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static int iflt() {
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int condition = 3;
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if( condition >= 0 ) {
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condition = 13;
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} else {
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condition = 76;
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}
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return condition;
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}
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@Export
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static int ifMultiple() {
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int condition = 3;
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if( condition <= 0 ) {
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if( condition < 0 ) {
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condition = 13;
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}
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} else {
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if( condition > 0 ) {
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condition++;
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} else {
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condition--;
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}
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}
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if( condition > 2 ) {
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condition++;
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} else {
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condition = 0;
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}
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if( condition >= 2 ) {
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condition++;
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} else {
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condition = 0;
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}
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if( condition <= 123 ) {
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condition++;
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} else {
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condition = 0;
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}
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if( condition < 123 ) {
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condition++;
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} else {
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condition = 0;
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}
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if( condition != 123 ) {
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condition++;
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} else {
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condition = 0;
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}
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return condition;
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}
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@Export
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static int ifMultipleDouble() {
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double condition = 3;
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if( condition <= 0 ) {
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if( condition < 0 ) {
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condition = 13;
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}
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} else {
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if( condition > 0 ) {
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condition++;
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} else {
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condition--;
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}
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}
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if( condition > 2 ) {
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condition *= 2;
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} else {
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condition = 0;
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}
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if( condition >= 2 ) {
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condition *= 2;
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} else {
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condition = 0;
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}
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if( condition <= 123 ) {
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condition *= 2;
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} else {
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condition = 0;
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}
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if( condition < 123 ) {
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condition *= 2;
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} else {
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condition = 0;
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}
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if( condition != 123 ) {
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condition *= 2;
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} else {
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condition = 0;
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}
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if( condition == 123 ) {
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condition = 0;
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} else {
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condition *= 2;
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}
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int x = (int)(25 / condition); // prevent 0 as value
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return (int)condition;
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}
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@Export
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static int ifCompare() {
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double condition = 3.0;
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int result;
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if( condition >= 3.5 ) {
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result = 13;
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} else {
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result = 76;
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}
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return result;
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}
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@Export
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static int switchDirect() {
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return tableSwitch(10) + (tableSwitch( 9 ) * 10) + (tableSwitch( -1 ) * 100) + (lookupSwitch(Integer.MAX_VALUE) * 1000) + (lookupSwitch(0) * 10000 );
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}
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private static int tableSwitch( int a ) {
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int b;
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switch( 1 + a - 1 ){
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case 8:
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case 9:
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b = 2;
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break;
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case 10:
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case 11:
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b = 1;
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break;
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default:
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b = 9;
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}
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return b;
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}
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private static int lookupSwitch( int a ) {
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int b;
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switch(a){
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case 1:
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b = 1;
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break;
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case 1000:
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case 1001:
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if( a == 1000 ) {
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b = 2;
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break;
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} else {
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b = 0;
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}
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//$FALL-THROUGH$
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case Integer.MAX_VALUE:
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b = 3;
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break;
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default:
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b = 9;
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}
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return b;
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}
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@Export
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static int endlessLoop() {
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int a = 0;
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int b = 0;
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do {
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if( a < 10 ) {
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b++;
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} else {
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return a;
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}
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a++;
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} while( true );
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}
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@Export
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static double doWhileLoop() {
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int a = 0;
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double d = 1.01;
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do {
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d *= 2;
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a++;
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} while( a < 10 );
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return d;
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}
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@Export
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static int doWhileLoopTwoConditions() {
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int val = 42;
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int shift = 1;
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do {
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val >>>= shift;
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} while (val > 7 && shift > 0);
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return val;
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}
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@Export
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static double doWhileLoopWithBreak() {
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int a = 0;
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double d = 1.01;
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do {
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a++;
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if( a == 5 ) {
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break;
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}
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d *= 2;
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} while( a < 10 );
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return a * d;
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}
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@Export
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static int whileLoop() {
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float a = 0;
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int b = 1;
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while( a < 10 ) {
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b *= 2;
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a++;
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}
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return b;
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}
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@Export
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public static int whileLoopWithContinue() {
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int i = 0;
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int value = 0;
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while( i < 16 ) {
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i++;
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if( i > 8 ) {
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continue;
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}
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value |= 1 << i;
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}
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return value;
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}
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private static int whileLoopInElse( int yIndex ) {
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int result = 0;
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if( yIndex == 3 ) {
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result = 42;
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} else {
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while( yIndex > 7 ) {
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result++;
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yIndex--;
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}
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}
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return result;
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}
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@Export
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public static int whileLoopInElse_3() {
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return whileLoopInElse( 3 );
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}
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@Export
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public static int whileLoopInElse_13() {
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return whileLoopInElse( 13 );
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}
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@Export
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public static int whileLoopInElseAfterReturn() {
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int yIndex = 13;
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int result = 0;
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if (yIndex == 3) {
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return 42;
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} else {
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while (yIndex > 7) {
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result++;
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yIndex--;
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}
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}
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return result;
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}
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@Export
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public static int whileLoopAfterIfWithReturn() {
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int yIndex = 13;
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int result = 0;
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if (yIndex < 3) {
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if( yIndex == 3 ) {
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return 42;
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}
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while (yIndex > 7) {
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result++;
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yIndex--;
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}
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}
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return result;
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}
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@Export
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public static int whileLoopInsideLoop() {
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int i = 15;
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MAIN: while( true ) {
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while( i >= 9 ) {
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i--;
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}
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int start = i;
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while( i > start ) {
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if( true ) {
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i--;
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continue MAIN;
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}
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}
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return start;
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}
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}
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@Export
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static int forLoop() {
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int a = 0;
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for( int i = 0; i < 10; i++ ) {
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a += i;
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}
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return a;
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}
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@Export
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static int conditionalOperator () {
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int condition = 4;
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return condition >= 4 ? condition < 4 ? 1 : 2 : condition == 4 ? 3 : 4;
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}
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@Export
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static int conditionalOperator2() {
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int val = 42;
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int result = 3 + (val == 1 ? 1 : (val == 2 ? 2 : (val == 3 ? 3 : 4)));
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return result;
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}
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@Export
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static int conditionalOperatorConcated () {
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int a = 7;
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int b = 13;
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int c = 42;
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int result = (a < 0 ? false : a == c ) && (b < 0 ? false : b == c ) ? 3 : 4;
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return result;
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}
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@Export
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static int conditionalOperatorConcated2() {
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int a = 7;
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int b = 13;
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int c = 42;
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return (a < 0 ? a != b : a != c ) && (b < 0 ? false : b == c ) ? 17 : 18;
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}
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@Export
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static double redifineVariable() {
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int x = 42;
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if( x > 0 ) {
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double a = 1;
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double b = 2.5;
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return a + b;
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} else {
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int a = 1;
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int b = 3;
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return a + b;
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}
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}
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@Export
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static int ifAnd_0() {
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return ifAnd( 0 );
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}
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@Export
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static int ifAnd_3() {
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return ifAnd( 3 );
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}
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@Export
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static int ifAnd_6() {
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return ifAnd( 6 );
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}
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private static int ifAnd( int condition ) {
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int result;
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if( condition > 0 && condition < 5 ) {
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result = 42;
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} else {
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result = 76;
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}
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return result;
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}
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@Export
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static int if4And_6() {
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return if4And( 6 );
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}
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@Export
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static int if4And_7() {
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return if4And( 7 );
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}
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private static int if4And( int condition ) {
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int result;
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if( condition > 1 && condition > 3 && condition > 5 && condition > 7 ) {
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result = 42;
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} else {
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result = 76;
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}
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return result;
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}
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@Export
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static int ifOr0() {
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return ifOr( 0 );
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}
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@Export
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static int ifOr1() {
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return ifOr( 1 );
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}
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@Export
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static int ifOr3() {
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return ifOr( 3 );
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}
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@Export
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static int ifOr5() {
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return ifOr( 5 );
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}
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@Export
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static int ifOr7() {
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return ifOr( 7 );
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}
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private static int ifOr( int condition ) {
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int result;
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if( condition == 1 || condition == 3 || condition == 5 || condition == 7 ) {
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result = 42;
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} else {
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result = 76;
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}
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return result;
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}
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|
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@Export
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static int ifAndOr0() {
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return ifAndOr( 0 );
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}
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@Export
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static int ifAndOr2() {
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return ifAndOr( 2 );
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}
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@Export
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static int ifAndOr4() {
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return ifAndOr( 4 );
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}
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@Export
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static int ifAndOr6() {
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return ifAndOr( 6 );
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}
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@Export
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static int ifAndOr8() {
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return ifAndOr( 8 );
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}
|
|
|
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private static int ifAndOr( int condition ) {
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int result;
|
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if( (condition >= 1 && condition <= 3) || (condition >= 5 && condition <= 7) ) {
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result = 42;
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} else {
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result = 76;
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}
|
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return result;
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}
|
|
|
|
@Export
|
|
private static int ifAndOrComplex() {
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int b1 = 0;
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int b2 = 0;
|
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int result;
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if( (b1 == 0xf0 && (b2 < 0x90 || b2 > 0xbf)) ||
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(b1 == 0xf4 && (b2 & 0xf0) != 0x80) ||
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(b2 & 0xc0) != 0x80) {
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result = 13;
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} else {
|
|
result = 42;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
private static int ifWithoutElseAndLoop;
|
|
|
|
@Export
|
|
static int ifWithoutElseAndLoop() {
|
|
int n = 1;
|
|
// because some compiler (Eclipse) move the loop condition to the end of the loop. Then there can be an optimization that the if jump to the end of the loop.
|
|
if( ifWithoutElseAndLoop != 1 ) {
|
|
ifWithoutElseAndLoop = 1;
|
|
}
|
|
while( n < 10 ) {
|
|
ifWithoutElseAndLoop *= n++;
|
|
}
|
|
return ifWithoutElseAndLoop;
|
|
}
|
|
|
|
@Export
|
|
static int ifOrWithMulti() {
|
|
int len = 4;
|
|
|
|
// the GOTO before the ELSE is not related to the main IF condition
|
|
if( (len == 4 || len == 9) ) {
|
|
if( len == 9 ) {
|
|
len = 13;
|
|
} else {
|
|
len = 42;
|
|
}
|
|
}
|
|
return len;
|
|
}
|
|
|
|
@Export
|
|
static int ifMultipleInsideThen() {
|
|
int result = 0;
|
|
if( (result == 7) || (result == 13) ) {
|
|
// multiple IF inside the primary IF
|
|
if( result == -1 ) {
|
|
result = 1;
|
|
} else {
|
|
result = 2;
|
|
}
|
|
|
|
if( result > result ) {
|
|
result = 3;
|
|
}
|
|
} else {
|
|
result = 4;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
@Export
|
|
static int ifWithConditionalInsideThen() {
|
|
int val = 42;
|
|
int result = 0;
|
|
if( val > 20 ) {
|
|
if( val > 21 ) {
|
|
result = val == 42 ? 4 : 5;
|
|
}
|
|
} else {
|
|
result = 3;
|
|
}
|
|
return result + 13;
|
|
}
|
|
|
|
@Export
|
|
static int conditionalInsideIf_1() {
|
|
return conditionalInsideIf( null, null, null );
|
|
}
|
|
|
|
@Export
|
|
static int conditionalInsideIf_2() {
|
|
return conditionalInsideIf( null, null, "foo" );
|
|
}
|
|
|
|
@Export
|
|
static int conditionalInsideIf_3() {
|
|
return conditionalInsideIf( "foo", null, null );
|
|
}
|
|
|
|
@Export
|
|
static int conditionalInsideIf_4() {
|
|
return conditionalInsideIf( null, "foo", null );
|
|
}
|
|
|
|
static int conditionalInsideIf( Object a, Object b, Object c ) {
|
|
if( (a == null ? b == null : a == b ) ) {
|
|
return c == null ? 1 : 2;
|
|
} else {
|
|
return 3;
|
|
}
|
|
}
|
|
|
|
@Export
|
|
static int ifWithReturn8() {
|
|
return ifWithReturn( 8, 0 );
|
|
}
|
|
|
|
@Export
|
|
static int ifWithReturn17() {
|
|
return ifWithReturn( 8, 13 );
|
|
}
|
|
|
|
@Export
|
|
static int ifWithReturn21() {
|
|
return ifWithReturn( 8, 5 );
|
|
}
|
|
|
|
@Export
|
|
static int ifWithReturn27() {
|
|
return ifWithReturn( 0, 0 );
|
|
}
|
|
|
|
@Export
|
|
static int ifWithReturn28() {
|
|
return ifWithReturn( 0, 1 );
|
|
}
|
|
|
|
private static int ifWithReturn( int a, int b ) {
|
|
if( a > 7 ) {
|
|
if( b > 1 ) {
|
|
if( b == 13 ) {
|
|
return 17;
|
|
} else {
|
|
return 21;
|
|
}
|
|
}
|
|
} else {
|
|
if( a == b ) {
|
|
return 27;
|
|
} else {
|
|
return 28;
|
|
}
|
|
}
|
|
return a;
|
|
}
|
|
|
|
@Export
|
|
static int stringSwitchNormalFoo() {
|
|
return stringSwitchNormal( "foo" );
|
|
}
|
|
|
|
@Export
|
|
static int stringSwitchNormalBar() {
|
|
return stringSwitchNormal( "bar" );
|
|
}
|
|
|
|
@Export
|
|
static int stringSwitchNormalDefault() {
|
|
return stringSwitchNormal( "default" );
|
|
}
|
|
|
|
private static int stringSwitchNormal( String tagName ) {
|
|
switch( tagName ) {
|
|
case "foo":
|
|
return 1;
|
|
case "bar":
|
|
return 2;
|
|
default:
|
|
return 3;
|
|
}
|
|
}
|
|
|
|
@Export
|
|
static int stringSwitchReverseFoo() {
|
|
return stringSwitchReverse( "foo" );
|
|
}
|
|
|
|
@Export
|
|
static int stringSwitchReverseBar() {
|
|
return stringSwitchReverse( "bar" );
|
|
}
|
|
|
|
@Export
|
|
static int stringSwitchReverseDefault() {
|
|
return stringSwitchReverse( "default" );
|
|
}
|
|
|
|
private static int stringSwitchReverse( String tagName ) {
|
|
switch( tagName ) {
|
|
default:
|
|
return 3;
|
|
case "bar":
|
|
return 2;
|
|
case "foo":
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
@Export
|
|
static int stringSwitchContinue1() {
|
|
return stringSwitchContinue( "1" );
|
|
}
|
|
|
|
@Export
|
|
static int stringSwitchContinue2() {
|
|
return stringSwitchContinue( "2" );
|
|
}
|
|
|
|
@Export
|
|
static int stringSwitchContinueDefault() {
|
|
return stringSwitchContinue( "8" );
|
|
}
|
|
|
|
/**
|
|
* Strings have continue hash codes that a compiler could use a tableswitch.
|
|
*/
|
|
private static int stringSwitchContinue( String tagName ) {
|
|
switch( tagName ) {
|
|
case "1":
|
|
return 1;
|
|
case "2":
|
|
return 2;
|
|
case "3":
|
|
return 3;
|
|
case "4":
|
|
return 4;
|
|
case "5":
|
|
return 5;
|
|
case "6":
|
|
return 7;
|
|
default:
|
|
return 8;
|
|
}
|
|
}
|
|
}
|
|
}
|