test/jdk/tools/jimage/JImageExtractTest.java

*** 29,52 ****
--- 29,85 ----
   * @build jdk.test.lib.Asserts
   * @run main/othervm/timeout=300 JImageExtractTest
   */
  
  import java.io.IOException;
+ import java.io.UncheckedIOException;
  import java.nio.file.Files;
  import java.nio.file.Path;
  import java.nio.file.Paths;
  import java.nio.file.attribute.*;
  import java.util.Arrays;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Set;
  import java.util.stream.Collectors;
+ import java.util.spi.ToolProvider;
  
  import static jdk.test.lib.Asserts.assertEquals;
  import static jdk.test.lib.Asserts.assertTrue;
  
  public class JImageExtractTest extends JImageCliTest {
+     private static final ToolProvider JLINK_TOOL = ToolProvider.findFirst("jlink")
+         .orElseThrow(() ->
+             new RuntimeException("jlink tool not found")
+         );
+ 
+ 
+     private String smallBootImagePath;
+ 
+     public JImageExtractTest() {
+         try {
+             Path tmp = Files.createTempDirectory(Paths.get("."), getClass().getName());
+             tmp = tmp.toAbsolutePath();
+             tmp.toFile().deleteOnExit();
+             Path smalljre = tmp.resolve("smalljdk");
+             if (JLINK_TOOL.run(System.out, System.err,
+                     "--add-modules", "java.base",
+                     "--add-modules", "jdk.zipfs",
+                     "--output", smalljre.toString()) != 0) {
+                 throw new RuntimeException("failed to create small boot image");
+             }
+             this.smallBootImagePath = smalljre.resolve("lib").resolve("modules").toString();
+         } catch (IOException ioExp) {
+             throw new UncheckedIOException(ioExp);
+         }
+     }
+ 
+     @Override
+     public String getImagePath() {
+         return smallBootImagePath;
+     }
+ 
      public void testExtract() throws IOException {
          Set<Path> notJImageModules = Files.walk(Paths.get("."),1).collect(Collectors.toSet());
          jimage("extract", getImagePath())
                  .assertSuccess()
                  .resultChecker(r -> {