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package com.bumptech.glide.tests;
import android.os.Build;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import org.robolectric.Robolectric;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import static org.junit.Assert.assertEquals;
public class Util {
public static String getExpectedClassId(Class clazz) {
return clazz.getSimpleName() + "." + clazz.getPackage().getName();
}
public static void assertClassHasValidId(Class clazz, String id) {
assertEquals(getExpectedClassId(clazz), id);
}
public static boolean isWindows() {
return System.getProperty("os.name").startsWith("Windows");
}
public static void writeFile(File file, byte[] data) throws IOException {
OutputStream out = new FileOutputStream(file);
try {
out.write(data);
out.flush();
out.close();
} finally {
try {
out.close();
} catch (IOException ex) {
// Do nothing.
}
}
}
public static byte[] readFile(File file, int expectedLength) throws IOException {
InputStream is = new FileInputStream(file);
byte[] result = new byte[expectedLength];
try {
assertEquals(expectedLength, is.read(result));
assertEquals(-1, is.read());
} finally {
try {
is.close();
} catch (IOException e) {
// Do nothing.
}
}
return result;
}
public static <T> Answer<T> arg(final int argumentIndex) {
return new Answer<T>() {
@SuppressWarnings("unchecked")
@Override
public T answer(InvocationOnMock invocation) {
if (argumentIndex >= invocation.getArguments().length) {
throw new IllegalArgumentException("Cannot invoke argument " + argumentIndex
+ " greater than arguments length " + invocation.getArguments().length);
}
return (T) invocation.getArguments()[argumentIndex];
}
};
}
public static void setSdkVersionInt(int version) {
Robolectric.Reflection.setFinalStaticField(Build.VERSION.class, "SDK_INT", version);
}
}
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