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/**
* Copyright 2014 Netflix, Inc.
*
* 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 rx.functions;
import static org.junit.Assert.*;
import java.lang.reflect.*;
import java.util.Arrays;
import java.util.concurrent.atomic.AtomicLong;
import org.junit.Test;
public class FunctionsTest {
@Test
public void testNotInstantiable() {
try {
Constructor<?> c = Functions.class.getDeclaredConstructor();
c.setAccessible(true);
Object instance = c.newInstance();
fail("Could instantiate Actions! " + instance);
} catch (NoSuchMethodException ex) {
ex.printStackTrace();
} catch (InvocationTargetException ex) {
ex.printStackTrace();
} catch (InstantiationException ex) {
ex.printStackTrace();
} catch (IllegalAccessException ex) {
ex.printStackTrace();
}
}
@Test(expected = RuntimeException.class)
public void testFromFunc0() {
Func0<Integer> func = new Func0<Integer>() {
@Override
public Integer call() {
return 0;
}
};
Object[] params = new Object[0];
assertEquals((Integer)0, Functions.fromFunc(func).call(params));
Functions.fromFunc(func).call(Arrays.copyOf(params, params.length + 1));
}
@Test(expected = RuntimeException.class)
public void testFromFunc1() {
Func1<Integer, Integer> func = new Func1<Integer, Integer>() {
@Override
public Integer call(Integer t1) {
return t1;
}
};
Object[] params = new Object[] { 1 };
assertEquals((Integer)1, Functions.fromFunc(func).call(params));
Functions.fromFunc(func).call(Arrays.copyOf(params, params.length + 1));
}
@Test(expected = RuntimeException.class)
public void testFromFunc2() {
Func2<Integer, Integer, Integer> func = new Func2<Integer, Integer, Integer>() {
@Override
public Integer call(Integer t1, Integer t2) {
return t1 | t2;
}
};
Object[] params = new Object[] { 1, 2 };
assertEquals((Integer)3, Functions.fromFunc(func).call(params));
Functions.fromFunc(func).call(Arrays.copyOf(params, params.length + 1));
}
@Test(expected = RuntimeException.class)
public void testFromFunc3() {
Func3<Integer, Integer, Integer, Integer> func = new Func3<Integer, Integer, Integer, Integer>() {
@Override
public Integer call(Integer t1, Integer t2, Integer t3) {
return t1 | t2 | t3;
}
};
Object[] params = new Object[] { 1, 2, 4 };
assertEquals((Integer)7, Functions.fromFunc(func).call(params));
Functions.fromFunc(func).call(Arrays.copyOf(params, params.length + 1));
}
@Test(expected = RuntimeException.class)
public void testFromFunc4() {
Func4<Integer, Integer, Integer, Integer, Integer> func =
new Func4<Integer, Integer, Integer, Integer, Integer>() {
@Override
public Integer call(Integer t1, Integer t2, Integer t3, Integer t4) {
return t1 | t2 | t3 | t4;
}
};
Object[] params = new Object[] { 1, 2, 4, 8 };
assertEquals((Integer)15, Functions.fromFunc(func).call(params));
Functions.fromFunc(func).call(Arrays.copyOf(params, params.length + 1));
}
@Test(expected = RuntimeException.class)
public void testFromFunc5() {
Func5<Integer, Integer, Integer, Integer, Integer, Integer> func =
new Func5<Integer, Integer, Integer, Integer, Integer, Integer>() {
@Override
public Integer call(Integer t1, Integer t2, Integer t3, Integer t4, Integer t5) {
return t1 | t2 | t3 | t4 | t5;
}
};
Object[] params = new Object[] { 1, 2, 4, 8, 16 };
assertEquals((Integer)31, Functions.fromFunc(func).call(params));
Functions.fromFunc(func).call(Arrays.copyOf(params, params.length + 1));
}
@Test(expected = RuntimeException.class)
public void testFromFunc6() {
Func6<Integer, Integer, Integer, Integer, Integer, Integer, Integer> func =
new Func6<Integer, Integer, Integer, Integer, Integer, Integer, Integer>() {
@Override
public Integer call(Integer t1, Integer t2, Integer t3, Integer t4, Integer t5, Integer t6) {
return t1 | t2 | t3 | t4 | t5 | t6;
}
};
Object[] params = new Object[] { 1, 2, 4, 8, 16, 32 };
assertEquals((Integer)63, Functions.fromFunc(func).call(params));
Functions.fromFunc(func).call(Arrays.copyOf(params, params.length + 1));
}
@Test(expected = RuntimeException.class)
public void testFromFunc7() {
Func7<Integer, Integer, Integer, Integer, Integer, Integer, Integer, Integer> func =
new Func7<Integer, Integer, Integer, Integer, Integer, Integer, Integer, Integer>() {
@Override
public Integer call(Integer t1, Integer t2, Integer t3, Integer t4, Integer t5, Integer t6, Integer t7) {
return t1 | t2 | t3 | t4 | t5 | t6 | t7;
}
};
Object[] params = new Object[] { 1, 2, 4, 8, 16, 32, 64 };
assertEquals((Integer)127, Functions.fromFunc(func).call(params));
Functions.fromFunc(func).call(Arrays.copyOf(params, params.length + 1));
}
@Test(expected = RuntimeException.class)
public void testFromFunc8() {
Func8<Integer, Integer, Integer, Integer, Integer, Integer, Integer, Integer, Integer> func =
new Func8<Integer, Integer, Integer, Integer, Integer, Integer, Integer, Integer, Integer>() {
@Override
public Integer call(Integer t1, Integer t2, Integer t3, Integer t4, Integer t5, Integer t6, Integer t7, Integer t8) {
return t1 | t2 | t3 | t4 | t5 | t6 | t7 | t8;
}
};
Object[] params = new Object[] { 1, 2, 4, 8, 16, 32, 64, 128 };
assertEquals((Integer)255, Functions.fromFunc(func).call(params));
Functions.fromFunc(func).call(Arrays.copyOf(params, params.length + 1));
}
@Test(expected = RuntimeException.class)
public void testFromFunc9() {
Func9<Integer, Integer, Integer, Integer, Integer, Integer, Integer, Integer, Integer, Integer> func =
new Func9<Integer, Integer, Integer, Integer, Integer, Integer, Integer, Integer, Integer, Integer>() {
@Override
public Integer call(Integer t1, Integer t2, Integer t3, Integer t4, Integer t5, Integer t6, Integer t7, Integer t8, Integer t9) {
return t1 | t2 | t3 | t4 | t5 | t6 | t7 | t8 | t9;
}
};
Object[] params = new Object[] { 1, 2, 4, 8, 16, 32, 64, 128, 256 };
assertEquals((Integer)511, Functions.fromFunc(func).call(params));
Functions.fromFunc(func).call(Arrays.copyOf(params, params.length + 1));
}
@Test(expected = RuntimeException.class)
public void testFromAction0() {
final AtomicLong value = new AtomicLong();
Action0 action = new Action0() {
@Override
public void call() {
value.set(0);
}
};
Object[] params = new Object[] { };
Functions.fromAction(action).call(params);
assertEquals(0, value.get());
Functions.fromAction(action).call(Arrays.copyOf(params, params.length + 1));
}
@Test(expected = RuntimeException.class)
public void testFromAction1() {
final AtomicLong value = new AtomicLong();
Action1<Integer> action = new Action1<Integer>() {
@Override
public void call(Integer t1) {
value.set(t1);
}
};
Object[] params = new Object[] { 1 };
Functions.fromAction(action).call(params);
assertEquals(1, value.get());
Functions.fromAction(action).call(Arrays.copyOf(params, params.length + 1));
}
@Test(expected = RuntimeException.class)
public void testFromAction2() {
final AtomicLong value = new AtomicLong();
Action2<Integer, Integer> action = new Action2<Integer, Integer>() {
@Override
public void call(Integer t1, Integer t2) {
value.set(t1 | t2);
}
};
Object[] params = new Object[] { 1, 2 };
Functions.fromAction(action).call(params);
assertEquals(3, value.get());
Functions.fromAction(action).call(Arrays.copyOf(params, params.length + 1));
}
@Test(expected = RuntimeException.class)
public void testFromAction3() {
final AtomicLong value = new AtomicLong();
Action3<Integer, Integer, Integer> action = new Action3<Integer, Integer, Integer>() {
@Override
public void call(Integer t1, Integer t2, Integer t3) {
value.set(t1 | t2 | t3);
}
};
Object[] params = new Object[] { 1, 2, 4 };
Functions.fromAction(action).call(params);
assertEquals(7, value.get());
Functions.fromAction(action).call(Arrays.copyOf(params, params.length + 1));
}
}