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MethodDeclarationTest.java
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MethodDeclarationTest.java
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package com.github.javaparser.ast.body;
import org.junit.Test;
import static com.github.javaparser.JavaParser.parseBodyDeclaration;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
public class MethodDeclarationTest {
@Test
public void annotationsAllowedAfterGenericsAndBeforeReturnType() {
parseBodyDeclaration("public <T> @Abc String method() {return null;}");
}
@Test
public void annotationsAllowedBeforeGenerics() {
parseBodyDeclaration("public @Abc <T> String method() {return null;}");
}
@Test
public void explicitReceiverParameters1() {
MethodDeclaration method = parseBodyDeclaration("void InnerInner(@mypackage.Anno Source.@mypackage.Anno Inner Source.Inner.this) { }").asMethodDeclaration();
assertEquals("Source.Inner.this", method.getParameter(0).getNameAsString());
}
@Test
public void explicitReceiverParameters2() {
MethodDeclaration method = parseBodyDeclaration("void x(A this) { }").asMethodDeclaration();
assertEquals("this", method.getParameter(0).getNameAsString());
}
@Test
public void signaturesEqual() {
MethodDeclaration method1 = parseBodyDeclaration("void x(String a) { }").asMethodDeclaration();
MethodDeclaration method2 = parseBodyDeclaration("int x(String z);").asMethodDeclaration();
assertEquals(method1.getSignature(), method2.getSignature());
}
@Test
public void signaturesEqualWhenGenericsDiffer() {
MethodDeclaration method1 = parseBodyDeclaration("void x(List<Long> a) { }").asMethodDeclaration();
MethodDeclaration method2 = parseBodyDeclaration("void x(List<Integer> a) { }").asMethodDeclaration();
assertEquals(method1.getSignature(), method2.getSignature());
}
@Test
public void signaturesEqualWhenAnnotationsDiffer() {
MethodDeclaration method1 = parseBodyDeclaration("void x(@A @B List a) { }").asMethodDeclaration();
MethodDeclaration method2 = parseBodyDeclaration("void x(@C List a) { }").asMethodDeclaration();
assertEquals(method1.getSignature(), method2.getSignature());
}
@Test
public void signaturesDifferentName() {
MethodDeclaration method1 = parseBodyDeclaration("void x(String a) { }").asMethodDeclaration();
MethodDeclaration method2 = parseBodyDeclaration("int y(String z);").asMethodDeclaration();
assertNotEquals(method1.getSignature(), method2.getSignature());
}
@Test
public void signaturesDifferentTypes() {
MethodDeclaration method1 = parseBodyDeclaration("void x(String a) { }").asMethodDeclaration();
MethodDeclaration method2 = parseBodyDeclaration("int x(int z);").asMethodDeclaration();
assertNotEquals(method1.getSignature(), method2.getSignature());
}
@Test
public void signaturesDifferentVarargs() {
MethodDeclaration method1 = parseBodyDeclaration("int x(int z);").asMethodDeclaration();
MethodDeclaration method2 = parseBodyDeclaration("int x(int... z);").asMethodDeclaration();
assertNotEquals(method1.getSignature(), method2.getSignature());
}
@Test
public void signatureToString() {
MethodDeclaration method1 = parseBodyDeclaration("int x(int z, String q);").asMethodDeclaration();
assertEquals("x(int, String)", method1.getSignature().toString());
}
}