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Rewrite "performance" test to JMH benchmarks

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This commit rewrites the remaining "fastEnough" performance tests into
proper JMH benchmarks.

See gh-24830
This commit is contained in:
Brian Clozel
2020-09-25 13:41:10 +02:00
parent e02d3f32b4
commit 61d893257e
22 changed files with 752 additions and 1047 deletions
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38
spring-core/src/test/java/org/springframework/util/ReflectionUtilsTests.java
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@@ -27,12 +27,10 @@ import java.util.List;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import org.springframework.core.testfixture.EnabledForTestGroups;
import org.springframework.tests.sample.objects.TestObject;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
import static org.springframework.core.testfixture.TestGroup.PERFORMANCE;
/**
* @author Rob Harrop
@@ -325,42 +323,6 @@ class ReflectionUtilsTests {
assertThat(ObjectUtils.containsElement(methods, Parent.class.getMethod("m1"))).isFalse();
}
@Test
@EnabledForTestGroups(PERFORMANCE)
void getUniqueDeclaredMethods_isFastEnough() {
@SuppressWarnings("unused")
class C {
void m00() { } void m01() { } void m02() { } void m03() { } void m04() { }
void m05() { } void m06() { } void m07() { } void m08() { } void m09() { }
void m10() { } void m11() { } void m12() { } void m13() { } void m14() { }
void m15() { } void m16() { } void m17() { } void m18() { } void m19() { }
void m20() { } void m21() { } void m22() { } void m23() { } void m24() { }
void m25() { } void m26() { } void m27() { } void m28() { } void m29() { }
void m30() { } void m31() { } void m32() { } void m33() { } void m34() { }
void m35() { } void m36() { } void m37() { } void m38() { } void m39() { }
void m40() { } void m41() { } void m42() { } void m43() { } void m44() { }
void m45() { } void m46() { } void m47() { } void m48() { } void m49() { }
void m50() { } void m51() { } void m52() { } void m53() { } void m54() { }
void m55() { } void m56() { } void m57() { } void m58() { } void m59() { }
void m60() { } void m61() { } void m62() { } void m63() { } void m64() { }
void m65() { } void m66() { } void m67() { } void m68() { } void m69() { }
void m70() { } void m71() { } void m72() { } void m73() { } void m74() { }
void m75() { } void m76() { } void m77() { } void m78() { } void m79() { }
void m80() { } void m81() { } void m82() { } void m83() { } void m84() { }
void m85() { } void m86() { } void m87() { } void m88() { } void m89() { }
void m90() { } void m91() { } void m92() { } void m93() { } void m94() { }
void m95() { } void m96() { } void m97() { } void m98() { } void m99() { }
}
StopWatch sw = new StopWatch();
sw.start();
Method[] methods = ReflectionUtils.getUniqueDeclaredMethods(C.class);
sw.stop();
long totalMs = sw.getTotalTimeMillis();
assertThat(methods.length).isGreaterThan(100);
assertThat(totalMs).isLessThan(10L);
}
@Test
void getDeclaredMethodsReturnsCopy() {
Method[] m1 = ReflectionUtils.getDeclaredMethods(A.class);