How to use init method of samples.largemethod.MethodExceedingJvmLimit class

Best Powermock code snippet using samples.largemethod.MethodExceedingJvmLimit.init

Source:LargeMethodTest.java Github

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...12public class LargeMethodTest {13 @Test14 public void largeMethodShouldBeOverridden() {15 try {16 MethodExceedingJvmLimit.init();17 Assert.fail("Method should be overridden and exception should be thrown");18 } catch (Exception e) {19 Assert.assertSame(IllegalAccessException.class, e.getClass());20 Assert.assertTrue(e.getMessage().contains("Method was too large and after instrumentation exceeded JVM limit"));21 }22 }23 @Test24 public void largeMethodShouldBeAbleToBeSuppressed() {25 suppress(PowerMockito.method(MethodExceedingJvmLimit.class, "init"));26 Assert.assertNull("Suppressed method should return: null", MethodExceedingJvmLimit.init());27 }28 @Test29 public void largeMethodShouldBeAbleToBeMocked() {30 mockStatic(MethodExceedingJvmLimit.class);31 Mockito.when(MethodExceedingJvmLimit.init()).thenReturn("ok");32 Assert.assertEquals("Mocked method should return: ok", "ok", MethodExceedingJvmLimit.init());33 verifyStatic(MethodExceedingJvmLimit.class);34 MethodExceedingJvmLimit.init();35 }36 @Test(expected = IllegalStateException.class)37 public void largeMethodShouldBeAbleToBeMockedAndThrowException() {38 mockStatic(MethodExceedingJvmLimit.class);39 Mockito.when(MethodExceedingJvmLimit.init()).thenThrow(new IllegalStateException());40 MethodExceedingJvmLimit.init();41 verifyStatic(MethodExceedingJvmLimit.class);42 MethodExceedingJvmLimit.init();43 }44}...

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init

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1package samples.largemethod;2import java.lang.reflect.Method;3import java.util.ArrayList;4import java.util.List;5public class MethodExceedingJvmLimit {6 private static final int MAX_METHOD_SIZE = 65535;7 public static void main(String[] args) throws Exception {8 List<Method> methods = new ArrayList<>();9 int counter = 0;10 while (methods.size() < 2) {11 try {12 methods.add(init(counter));13 } catch (VerifyError e) {14 System.out.println("Method size limit exceeded at " + counter);15 methods.add(init(counter - 1));16 break;17 }18 counter++;19 }20 System.out.println("Loaded " + methods.size() + " methods");21 for (Method method : methods) {22 method.invoke(null);23 }24 }25 private static Method init(int counter) throws Exception {26 String className = "samples.largemethod.GeneratedClass" + counter;27 String methodName = "generatedMethod" + counter;28 String code = "public static void " + methodName + "() { System.out.println(\"" + methodName + "\"); }";29 Class<?> clazz = new ClassBuilder(className)30 .addMethod(code)31 .build();32 return clazz.getMethod(methodName);33 }34}35class ClassBuilder {36 private final String className;37 private final StringBuilder classBuilder;38 public ClassBuilder(String className) {39 this.className = className;40 this.classBuilder = new StringBuilder();41 classBuilder.append("public class ").append(className).append(" {");42 }43 public ClassBuilder addMethod(String code) {44 classBuilder.append(code);45 return this;46 }47 public Class<?> build() throws Exception {48 classBuilder.append("}");49 String code = classBuilder.toString();50 System.out.println(code);51 return new InMemoryJavaCompiler(className, code).compile();52 }53}54class InMemoryJavaCompiler {55 private final String className;56 private final String code;57 public InMemoryJavaCompiler(String className, String code) {58 this.className = className;59 this.code = code;60 }61 public Class<?> compile() throws Exception {

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init

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1import com.puppycrawl.tools.checkstyle.checks.sizes.LineLengthCheck;2import com.puppycrawl.tools.checkstyle.checks.sizes.MethodLengthCheck;3import com.puppycrawl.tools.checkstyle.checks.sizes.MethodParamPadCheck;4import com.puppycrawl.tools.checkstyle.checks.sizes.MethodParamPadOption;5import com.puppycrawl.tools.checkstyle.checks.sizes.MethodTypeParameterNameCheck;6import com.puppycrawl.tools.checkstyle.checks.sizes.MethodTypeParameterNameLengthCheck;7import com.puppycrawl.tools.checkstyle.checks.sizes.NestedForDepthCheck;8import com.puppycrawl.tools.checkstyle.checks.sizes.NestedIfDepthCheck;9import com.puppycrawl.tools.checkstyle.checks.sizes.NestedTryDepthCheck;10import com.puppycrawl.tools.checkstyle.checks.sizes.ParameterNumberCheck;11import com.puppycrawl.tools.checkstyle.checks.sizes.TooManyMethodsCheck;12import com.puppycrawl.tools.checkstyle.checks.sizes.TooManyParametersCheck;13import com.puppycrawl.tools.checkstyle.checks.sizes.VariableDeclarationUsageDistanceCheck;14import com.puppycrawl.tools.checkstyle.checks.sizes.VisibilityModifierCheck;15import com.puppycrawl.tools.checkstyle.checks.sizes.VisibilityModifierOption;16import com.puppycrawl.tools.checkstyle.checks.sizes.WildcardImportCheck;17import com.puppycrawl.tools.checkstyle.checks.sizes.WildcardImportOption;18import com.puppycrawl.tools.checkstyle.checks.sizes.LambdaBodyLengthCheck;19import com.puppycrawl.tools.checkstyle.checks.sizes.LambdaParameterNumberCheck;20import com.puppycrawl.tools.checkstyle.checks.sizes.MethodCountCheck;21import com.puppycrawl.tools.checkstyle.checks.sizes.MethodCountOption;22import com.puppycrawl.tools.checkstyle.checks.sizes.AnonInnerLengthCheck;23import com.puppycrawl.tools.checkstyle.checks.sizes.AnonInnerLengthOption;24import com.puppycrawl.tools.checkstyle.checks.sizes.ExecutableStatementCountCheck;25import com.puppycrawl.tools.checkstyle.checks.sizes.ExecutableStatementCountOption;26import com.puppycrawl.tools.checkstyle.checks.sizes.FileLengthCheck;27import com.puppycrawl.tools.checkstyle.checks.sizes.FileLength

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1[Ljava.lang.String;: # Language: markdown2[Ljava.lang.String;: # Language: markdown3[Ljava.lang.String;: # Language: markdown4[Ljava.lang.String;: # Language: markdown5[Ljava.lang.String;: # Language: markdown6[Ljava.lang.String;: # Language: markdown7[Ljava.lang.String;: # Language: markdown

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