/* * SPDX-License-Identifier: Apache-2.0 * * The OpenSearch Contributors require contributions made to * this file be licensed under the Apache-2.0 license or a * compatible open source license. */ /* * Licensed to Elasticsearch under one or more contributor * license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright * ownership. Elasticsearch licenses this file to you under * the Apache License, Version 2.0 (the "License"); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ /* * Modifications Copyright OpenSearch Contributors. See * GitHub history for details. */ package org.opensearch.painless; import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.stream.IntStream; import static java.util.stream.Collectors.joining; public class ConditionalTests extends ScriptTestCase { public void testBasic() { assertEquals(2, exec("boolean x = true; return x ? 2 : 3;")); assertEquals(3, exec("boolean x = false; return x ? 2 : 3;")); assertEquals(3, exec("boolean x = false, y = true; return x && y ? 2 : 3;")); assertEquals(2, exec("boolean x = true, y = true; return x && y ? 2 : 3;")); assertEquals(2, exec("boolean x = true, y = false; return x || y ? 2 : 3;")); assertEquals(3, exec("boolean x = false, y = false; return x || y ? 2 : 3;")); } public void testPrecedence() { assertEquals(4, exec("boolean x = false, y = true; return x ? (y ? 2 : 3) : 4;")); assertEquals(2, exec("boolean x = true, y = true; return x ? (y ? 2 : 3) : 4;")); assertEquals(3, exec("boolean x = true, y = false; return x ? (y ? 2 : 3) : 4;")); assertEquals(2, exec("boolean x = true, y = true; return x ? y ? 2 : 3 : 4;")); assertEquals(4, exec("boolean x = false, y = true; return x ? y ? 2 : 3 : 4;")); assertEquals(3, exec("boolean x = true, y = false; return x ? y ? 2 : 3 : 4;")); assertEquals(3, exec("boolean x = false, y = true; return x ? 2 : y ? 3 : 4;")); assertEquals(2, exec("boolean x = true, y = false; return x ? 2 : y ? 3 : 4;")); assertEquals(4, exec("boolean x = false, y = false; return x ? 2 : y ? 3 : 4;")); assertEquals(4, exec("boolean x = false, y = false; return (x ? true : y) ? 3 : 4;")); assertEquals(4, exec("boolean x = true, y = false; return (x ? false : y) ? 3 : 4;")); assertEquals(3, exec("boolean x = false, y = true; return (x ? false : y) ? 3 : 4;")); assertEquals(2, exec("boolean x = true, y = false; return (x ? false : y) ? (x ? 3 : 4) : x ? 2 : 1;")); assertEquals(2, exec("boolean x = true, y = false; return (x ? false : y) ? x ? 3 : 4 : x ? 2 : 1;")); assertEquals(4, exec("boolean x = false, y = true; return x ? false : y ? x ? 3 : 4 : x ? 2 : 1;")); } public void testAssignment() { assertEquals(4D, exec("boolean x = false; double z = x ? 2 : 4.0F; return z;")); assertEquals((byte) 7, exec("boolean x = false; int y = 2; byte z = x ? (byte)y : 7; return z;")); assertEquals((byte) 7, exec("boolean x = false; int y = 2; byte z = (byte)(x ? y : 7); return z;")); assertEquals(ArrayList.class, exec("boolean x = false; Object z = x ? new HashMap() : new ArrayList(); return z;").getClass()); } public void testNullArguments() { assertEquals(null, exec("boolean b = false, c = true; Object x; Map y; return b && c ? x : y;")); assertEquals( HashMap.class, exec("boolean b = false, c = true; Object x; Map y = new HashMap(); return b && c ? x : y;").getClass() ); } public void testPromotion() { assertEquals(false, exec("boolean x = false; boolean y = true; return (x ? 2 : 4.0F) == (y ? 2 : 4.0F);")); assertEquals( false, exec( "boolean x = false; boolean y = true; " + "return (x ? new HashMap() : new ArrayList()) == (y ? new HashMap() : new ArrayList());" ) ); } public void testIncompatibleAssignment() { expectScriptThrows(ClassCastException.class, () -> { exec("boolean x = false; byte z = x ? 2 : 4.0F; return z;"); }); expectScriptThrows(ClassCastException.class, () -> { exec("boolean x = false; Map z = x ? 4 : (byte)7; return z;"); }); expectScriptThrows( ClassCastException.class, () -> { exec("boolean x = false; Map z = x ? new HashMap() : new ArrayList(); return z;"); } ); expectScriptThrows(ClassCastException.class, () -> { exec("boolean x = false; int y = 2; byte z = x ? y : 7; return z;"); }); } public void testNested() { for (int i = 0; i < 100; i++) { String scriptPart = IntStream.range(0, i).mapToObj(j -> "field == '" + j + "' ? '" + j + "' :").collect(joining("\n")); assertEquals( "z", exec( "def field = params.a;\n" + "\n" + "return (\n" + scriptPart + "field == '' ? 'unknown' :\n" + "field);", Collections.singletonMap("a", "z"), true ) ); } } }