test/gc/g1/TestStringDeduplicationTools.java
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test/gc/g1/TestStringDeduplicationTools.java

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 395                                        "-XX:+PrintGC",
 396                                        "-XX:+PrintStringDeduplicationStatistics");
 397         output.shouldContain("GC concurrent-string-deduplication");
 398         output.shouldContain("Deduplicated:");
 399         output.shouldHaveExitValue(0);
 400 
 401         // Test with min age theshold
 402         output = DeduplicationTest.run(SmallNumberOfStrings,
 403                                        MinAgeThreshold,
 404                                        YoungGC,
 405                                        "-XX:+PrintGC",
 406                                        "-XX:+PrintStringDeduplicationStatistics");
 407         output.shouldContain("GC concurrent-string-deduplication");
 408         output.shouldContain("Deduplicated:");
 409         output.shouldHaveExitValue(0);
 410 
 411         // Test with too low age threshold
 412         output = DeduplicationTest.run(SmallNumberOfStrings,
 413                                        TooLowAgeThreshold,
 414                                        YoungGC);
 415         output.shouldContain("StringDeduplicationAgeThreshold of " + TooLowAgeThreshold +
 416                              " is invalid; must be between " + MinAgeThreshold + " and " + MaxAgeThreshold);
 417         output.shouldHaveExitValue(1);
 418 
 419         // Test with too high age threshold
 420         output = DeduplicationTest.run(SmallNumberOfStrings,
 421                                        TooHighAgeThreshold,
 422                                        YoungGC);
 423         output.shouldContain("StringDeduplicationAgeThreshold of " + TooHighAgeThreshold +
 424                              " is invalid; must be between " + MinAgeThreshold + " and " + MaxAgeThreshold);
 425         output.shouldHaveExitValue(1);
 426     }
 427 
 428     public static void testPrintOptions() throws Exception {
 429         OutputAnalyzer output;
 430 
 431         // Test without PrintGC and without PrintStringDeduplicationStatistics
 432         output = DeduplicationTest.run(SmallNumberOfStrings,
 433                                        DefaultAgeThreshold,
 434                                        YoungGC);
 435         output.shouldNotContain("GC concurrent-string-deduplication");
 436         output.shouldNotContain("Deduplicated:");
 437         output.shouldHaveExitValue(0);
 438 
 439         // Test with PrintGC but without PrintStringDeduplicationStatistics
 440         output = DeduplicationTest.run(SmallNumberOfStrings,
 441                                        DefaultAgeThreshold,
 442                                        YoungGC,
 443                                        "-XX:+PrintGC");
 444         output.shouldContain("GC concurrent-string-deduplication");


 395                                        "-XX:+PrintGC",
 396                                        "-XX:+PrintStringDeduplicationStatistics");
 397         output.shouldContain("GC concurrent-string-deduplication");
 398         output.shouldContain("Deduplicated:");
 399         output.shouldHaveExitValue(0);
 400 
 401         // Test with min age theshold
 402         output = DeduplicationTest.run(SmallNumberOfStrings,
 403                                        MinAgeThreshold,
 404                                        YoungGC,
 405                                        "-XX:+PrintGC",
 406                                        "-XX:+PrintStringDeduplicationStatistics");
 407         output.shouldContain("GC concurrent-string-deduplication");
 408         output.shouldContain("Deduplicated:");
 409         output.shouldHaveExitValue(0);
 410 
 411         // Test with too low age threshold
 412         output = DeduplicationTest.run(SmallNumberOfStrings,
 413                                        TooLowAgeThreshold,
 414                                        YoungGC);
 415         output.shouldContain("outside the allowed range");

 416         output.shouldHaveExitValue(1);
 417 
 418         // Test with too high age threshold
 419         output = DeduplicationTest.run(SmallNumberOfStrings,
 420                                        TooHighAgeThreshold,
 421                                        YoungGC);
 422         output.shouldContain("outside the allowed range");

 423         output.shouldHaveExitValue(1);
 424     }
 425 
 426     public static void testPrintOptions() throws Exception {
 427         OutputAnalyzer output;
 428 
 429         // Test without PrintGC and without PrintStringDeduplicationStatistics
 430         output = DeduplicationTest.run(SmallNumberOfStrings,
 431                                        DefaultAgeThreshold,
 432                                        YoungGC);
 433         output.shouldNotContain("GC concurrent-string-deduplication");
 434         output.shouldNotContain("Deduplicated:");
 435         output.shouldHaveExitValue(0);
 436 
 437         // Test with PrintGC but without PrintStringDeduplicationStatistics
 438         output = DeduplicationTest.run(SmallNumberOfStrings,
 439                                        DefaultAgeThreshold,
 440                                        YoungGC,
 441                                        "-XX:+PrintGC");
 442         output.shouldContain("GC concurrent-string-deduplication");
test/gc/g1/TestStringDeduplicationTools.java
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