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23 
24 /* @test TestAllocateHeapAtError.java
25  * @key gc
26  * @summary Test to check correct handling of non-existent directory passed to AllocateHeapAt option
27  * @requires vm.gc != "Z" & os.family != "aix"
28  * @library /test/lib
29  * @modules java.base/jdk.internal.misc
30  */
31 
32 import java.io.File;
33 import jdk.test.lib.JDKToolFinder;
34 import jdk.test.lib.process.ProcessTools;
35 import jdk.test.lib.process.OutputAnalyzer;
36 import java.util.ArrayList;
37 import java.util.Collections;
38 import java.util.UUID;
39 
40 public class TestAllocateHeapAtError {
main(String args[])41   public static void main(String args[]) throws Exception {
42     ArrayList<String> vmOpts = new ArrayList();
43 
44     String testVmOptsStr = System.getProperty("test.java.opts");
45     if (!testVmOptsStr.isEmpty()) {
46       String[] testVmOpts = testVmOptsStr.split(" ");
47       Collections.addAll(vmOpts, testVmOpts);
48     }
49     String test_dir = System.getProperty("test.dir", ".");
50 
51     File f = null;
52     do {
53       f = new File(test_dir, UUID.randomUUID().toString());
54     } while(f.exists());
55 
56     Collections.addAll(vmOpts, new String[] {"-XX:AllocateHeapAt=" + f.getName(),
57                                              "-Xlog:gc+heap=info",
58                                              "-Xmx32m",
59                                              "-Xms32m",
60                                              "-version"});
61 
62     System.out.print("Testing:\n" + JDKToolFinder.getJDKTool("java"));
63     for (int i = 0; i < vmOpts.size(); i += 1) {
64       System.out.print(" " + vmOpts.get(i));
65     }
66     System.out.println();
67 
68     ProcessBuilder pb =
69       ProcessTools.createJavaProcessBuilder(vmOpts.toArray(new String[vmOpts.size()]));
70     OutputAnalyzer output = new OutputAnalyzer(pb.start());
71 
72     System.out.println("Output:\n" + output.getOutput());
73 
74     output.shouldContain("Could not create file for Heap");
75     output.shouldContain("Error occurred during initialization of VM");
76     output.shouldNotHaveExitValue(0);
77   }
78 }
79