103 lines
3.6 KiB
Java
103 lines
3.6 KiB
Java
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/*
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* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8187089
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* @run main BasicTest
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*/
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import java.lang.invoke.*;
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import java.util.Arrays;
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public class BasicTest {
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static final int MAX_PARAM_SLOTS = 200;
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static int exceedMaxParamSlots = 0;
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public static void main(String[] args) throws Throwable {
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int expectionTestCases = 0;
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Class<?>[] types = new Class<?>[200];
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Arrays.fill(types, int.class);
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test(MethodType.methodType(String.class, types));
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types = new Class<?>[100];
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Arrays.fill(types, long.class);
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test(MethodType.methodType(String.class, types));
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// test cases exceeding 200 parameter slots
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expectionTestCases++;
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types = new Class<?>[101];
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Arrays.fill(types, 0, 50, long.class);
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Arrays.fill(types, 50, 100, double.class);
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types[100] = int.class;
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test(MethodType.methodType(String.class, types));
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expectionTestCases++;
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types = new Class<?>[201];
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Arrays.fill(types, int.class);
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test(MethodType.methodType(String.class, types));
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if (exceedMaxParamSlots != expectionTestCases) {
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throw new RuntimeException("expected one test case exceeding 200 param slots");
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}
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}
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/**
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* Tests if StringConcatException is thrown if the given concatType
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* has more than 200 parameter slots
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*/
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static void test(MethodType concatType) throws StringConcatException {
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String recipe = "";
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int slots = 0;
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for (Class<?> c : concatType.parameterList()) {
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recipe += "\1";
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slots++;
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if (c == double.class || c == long.class) {
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slots++;
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}
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}
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if (slots > MAX_PARAM_SLOTS) {
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exceedMaxParamSlots++;
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}
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System.out.format("Test %s parameter slots%n", slots);
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try {
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StringConcatFactory.makeConcat(MethodHandles.lookup(), "name", concatType);
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if (slots > MAX_PARAM_SLOTS) {
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throw new RuntimeException("StringConcatException not thrown");
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}
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} catch (StringConcatException e) {
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if (slots <= MAX_PARAM_SLOTS) throw e;
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}
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try {
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StringConcatFactory.makeConcatWithConstants(MethodHandles.lookup(), "name",
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concatType, recipe);
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if (slots > MAX_PARAM_SLOTS) {
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throw new RuntimeException("StringConcatException not thrown");
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}
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} catch (StringConcatException e) {
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if (slots <= MAX_PARAM_SLOTS) throw e;
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}
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}
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}
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