202 lines
8.6 KiB
Java
202 lines
8.6 KiB
Java
/*
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* Copyright (c) 2015, 2021, 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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// NOTE: the test takes a long time for each VM option combination, so we split
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// it into 3 @test parts, so that they can be executed in parallel. If you make a
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// change, please ensure all @test blocks are in sync.
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/*
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* @test
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* @summary Test options that are incompatible with use of shared strings
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* Also test mismatch in oops encoding between dump time and run time
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* @requires vm.cds.archived.java.heap
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* @comment This test explicitly chooses the type of GC to be used by sub-processes. It may conflict with the GC type set
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* via the -vmoptions command line option of JTREG. vm.gc==null will help the test case to discard the explicitly passed
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* vm options.
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* @requires (vm.gc=="null")
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* @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds
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* @build sun.hotspot.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller sun.hotspot.WhiteBox
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* @build HelloString
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* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. IncompatibleOptions 0
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*/
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/*
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* @test
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* @requires vm.cds.archived.java.heap
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* @requires (vm.gc=="null")
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* @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds
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* @build sun.hotspot.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller sun.hotspot.WhiteBox
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* @build HelloString
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* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. IncompatibleOptions 1
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*/
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/*
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* @test
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* @requires vm.cds.archived.java.heap
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* @requires (vm.gc=="null")
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* @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds
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* @build sun.hotspot.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller sun.hotspot.WhiteBox
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* @build HelloString
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* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. IncompatibleOptions 2
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*/
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import jdk.test.lib.Asserts;
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import jdk.test.lib.Platform;
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import jdk.test.lib.process.OutputAnalyzer;
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import sun.hotspot.code.Compiler;
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import sun.hotspot.gc.GC;
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public class IncompatibleOptions {
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static final String COOPS_DUMP_WARNING =
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"Cannot dump shared archive when UseCompressedOops or UseCompressedClassPointers is off";
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static final String GC_WARNING =
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"Archived java heap is not supported";
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static final String OBJ_ALIGNMENT_MISMATCH =
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"The shared archive file's ObjectAlignmentInBytes of .* does not equal the current ObjectAlignmentInBytes of";
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static final String COMPACT_STRING_MISMATCH =
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"The shared archive file's CompactStrings setting .* does not equal the current CompactStrings setting";
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static final String COMPRESSED_OOPS_NOT_CONSISTENT =
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"The saved state of UseCompressedOops and UseCompressedClassPointers is different from runtime, CDS will be disabled.";
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static String appJar;
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static String[] vmOptionsPrefix = {};
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public static void main(String[] args) throws Exception {
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String[] noargs = {};
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SharedStringsUtils.run(Integer.parseInt(args[0]), 3, noargs, IncompatibleOptions::test);
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// Add a new @test block if you get an assert ----^ about this number. See
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// SharedStringsUtils.java for details.
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}
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public static void test(String[] args_ignored) throws Exception {
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vmOptionsPrefix = SharedStringsUtils.getChildVMOptionsPrefix();
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appJar = JarBuilder.build("IncompatibleOptions", "HelloString");
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// Uncompressed OOPs
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testDump(1, "-XX:+UseG1GC", "-XX:-UseCompressedOops", null, false);
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if (GC.Z.isSupported()) {
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testDump(1, "-XX:+UseZGC", "-XX:-UseCompressedOops", null, false);
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}
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// incompatible GCs
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testDump(2, "-XX:+UseParallelGC", "", GC_WARNING, false);
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testDump(3, "-XX:+UseSerialGC", "", GC_WARNING, false);
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// Explicitly archive with compressed oops, run without.
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testDump(5, "-XX:+UseG1GC", "-XX:+UseCompressedOops", null, false);
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testExec(5, "-XX:+UseG1GC", "-XX:-UseCompressedOops",
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COMPRESSED_OOPS_NOT_CONSISTENT, true);
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// NOTE: No warning is displayed, by design
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// Still run, to ensure no crash or exception
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testExec(6, "-XX:+UseParallelGC", "", "", false);
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testExec(7, "-XX:+UseSerialGC", "", "", false);
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// Test various oops encodings, by varying ObjectAlignmentInBytes and heap sizes
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testDump(9, "-XX:+UseG1GC", "-XX:ObjectAlignmentInBytes=8", null, false);
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testExec(9, "-XX:+UseG1GC", "-XX:ObjectAlignmentInBytes=16",
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OBJ_ALIGNMENT_MISMATCH, true);
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// Implicitly archive with compressed oops, run without.
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// Max heap size for compressed oops is around 31G.
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// UseCompressedOops is turned on by default when heap
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// size is under 31G, but will be turned off when heap
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// size is greater than that.
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testDump(10, "-XX:+UseG1GC", "-Xmx1g", null, false);
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testExec(10, "-XX:+UseG1GC", "-Xmx32g", null, true);
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// Explicitly archive without compressed oops and run with.
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testDump(11, "-XX:+UseG1GC", "-XX:-UseCompressedOops", null, false);
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testExec(11, "-XX:+UseG1GC", "-XX:+UseCompressedOops", null, true);
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// Implicitly archive without compressed oops and run with.
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testDump(12, "-XX:+UseG1GC", "-Xmx32G", null, false);
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testExec(12, "-XX:+UseG1GC", "-Xmx1G", null, true);
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// CompactStrings must match between dump time and run time
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testDump(13, "-XX:+UseG1GC", "-XX:-CompactStrings", null, false);
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testExec(13, "-XX:+UseG1GC", "-XX:+CompactStrings",
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COMPACT_STRING_MISMATCH, true);
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testDump(14, "-XX:+UseG1GC", "-XX:+CompactStrings", null, false);
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testExec(14, "-XX:+UseG1GC", "-XX:-CompactStrings",
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COMPACT_STRING_MISMATCH, true);
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}
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static void testDump(int testCaseNr, String collectorOption, String extraOption,
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String expectedWarning, boolean expectedToFail) throws Exception {
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System.out.println("Testcase: " + testCaseNr);
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OutputAnalyzer output = TestCommon.dump(appJar, TestCommon.list("Hello"),
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TestCommon.concat(vmOptionsPrefix,
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"-XX:+UseCompressedOops",
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collectorOption,
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"-XX:SharedArchiveConfigFile=" + TestCommon.getSourceFile("SharedStringsBasic.txt"),
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"-Xlog:cds,cds+hashtables",
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extraOption));
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if (expectedWarning != null) {
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output.shouldContain(expectedWarning);
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}
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if (expectedToFail) {
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Asserts.assertNE(output.getExitValue(), 0,
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"JVM is expected to fail, but did not");
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}
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}
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static void testExec(int testCaseNr, String collectorOption, String extraOption,
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String expectedWarning, boolean expectedToFail) throws Exception {
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OutputAnalyzer output;
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System.out.println("Testcase: " + testCaseNr);
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// needed, otherwise system considers empty extra option as a
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// main class param, and fails with "Could not find or load main class"
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if (!extraOption.isEmpty()) {
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output = TestCommon.exec(appJar,
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TestCommon.concat(vmOptionsPrefix,
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"-XX:+UseCompressedOops",
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collectorOption, "-Xlog:cds", extraOption, "HelloString"));
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} else {
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output = TestCommon.exec(appJar,
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TestCommon.concat(vmOptionsPrefix,
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"-XX:+UseCompressedOops",
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collectorOption, "-Xlog:cds", "HelloString"));
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}
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if (expectedWarning != null) {
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output.shouldMatch(expectedWarning);
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}
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if (expectedToFail) {
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Asserts.assertNE(output.getExitValue(), 0);
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} else {
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SharedStringsUtils.checkExec(output);
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}
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}
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}
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