RxJava/src/test/java/io/reactivex/OperatorsAreFinal.java at 2.x · hemanthgit/RxJava · GitHub

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/**

* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in

* compliance with the License. You may obtain a copy of the License at

* http://www.apache.org/licenses/LICENSE-2.0

* Unless required by applicable law or agreed to in writing, software distributed under the License is

* distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See

* the License for the specific language governing permissions and limitations under the License.

package io.reactivex;

import java.io.File;

import java.lang.reflect.Modifier;

import org.junit.Test;

public class OperatorsAreFinal {

File directoryOf(String baseClassName) throws Exception {

File f = MaybeNo2Dot0Since.findSource("Flowable");

if (f == null) {

return null;

}

String parent = f.getParentFile().getAbsolutePath().replace('\\', '/');

if (!parent.endsWith("/")) {

parent += "/";

}

parent += "internal/operators/" + baseClassName.toLowerCase() + "/";

return new File(parent);

}

void check(String baseClassName) throws Exception {

File f = directoryOf(baseClassName);

if (f == null) {

return;

}

StringBuilder e = new StringBuilder();

File[] files = f.listFiles();

if (files != null) {

for (File g : files) {

if (g.getName().startsWith(baseClassName) && g.getName().endsWith(".java")) {

String className = "io.reactivex.internal.operators." + baseClassName.toLowerCase() + "." + g.getName().replace(".java", "");

Class<?> clazz = Class.forName(className);

if ((clazz.getModifiers() & Modifier.FINAL) == 0 && (clazz.getModifiers() & Modifier.ABSTRACT) == 0) {

e.append("java.lang.RuntimeException: ").append(className).append(" is not final\r\n");

e.append(" at ").append(className).append(" (").append(g.getName()).append(":14)\r\n\r\n");

}

if (e.length() != 0) {

System.out.println(e);

throw new AssertionError(e.toString());

}

@Test

public void flowable() throws Exception {

check("Flowable");

}

@Test

public void observable() throws Exception {

check("Observable");

}

@Test

public void single() throws Exception {

check("Single");

}

@Test

public void completable() throws Exception {

check("Completable");

}

@Test

public void maybe() throws Exception {

check("Maybe");

}

RxJava/src/test/java/io/reactivex/OperatorsAreFinal.java at 2.x · hemanthgit/RxJava · GitHub

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