// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.mojo.bindings;
import androidx.test.filters.SmallTest;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.chromium.base.test.BaseJUnit4ClassRunner;
import org.chromium.mojo.HandleMock;
import org.chromium.mojo.bindings.test.mojom.imported.Color;
import org.chromium.mojo.bindings.test.mojom.imported.Point;
import org.chromium.mojo.bindings.test.mojom.imported.Shape;
import org.chromium.mojo.bindings.test.mojom.imported.Thing;
import org.chromium.mojo.bindings.test.mojom.sample.Bar;
import org.chromium.mojo.bindings.test.mojom.sample.Bar.Type;
import org.chromium.mojo.bindings.test.mojom.sample.DefaultsTest;
import org.chromium.mojo.bindings.test.mojom.sample.Enum;
import org.chromium.mojo.bindings.test.mojom.sample.Foo;
import org.chromium.mojo.bindings.test.mojom.sample.InterfaceConstants;
import org.chromium.mojo.bindings.test.mojom.sample.SampleServiceConstants;
import org.chromium.mojo.bindings.test.mojom.test_structs.EmptyStruct;
import org.chromium.mojo.bindings.test.mojom.test_structs.Rect;
import org.chromium.mojo.system.DataPipe.ConsumerHandle;
import org.chromium.mojo.system.DataPipe.ProducerHandle;
import org.chromium.mojo.system.MessagePipeHandle;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
/** Testing generated classes and associated features. */
@RunWith(BaseJUnit4ClassRunner.class)
public class BindingsTest {
/** Create a new typical Bar instance. */
private static Bar newBar() {
Bar bar = new Bar();
bar.alpha = (byte) 0x01;
bar.beta = (byte) 0x02;
bar.gamma = (byte) 0x03;
bar.type = Type.BOTH;
return bar;
}
/** Create a new typical Foo instance. */
private static Foo createFoo() {
Foo foo = new Foo();
foo.name = "HELLO WORLD";
foo.arrayOfArrayOfBools = new boolean[][] {{true, false, true}, {}, {}, {false}, {true}};
foo.bar = newBar();
foo.a = true;
foo.c = true;
foo.data = new byte[] {0x01, 0x02, 0x03};
foo.extraBars = new Bar[] {newBar(), newBar()};
String[][][] strings = new String[3][2][1];
for (int i0 = 0; i0 < strings.length; ++i0) {
for (int i1 = 0; i1 < strings[i0].length; ++i1) {
for (int i2 = 0; i2 < strings[i0][i1].length; ++i2) {
strings[i0][i1][i2] = "Hello(" + i0 + ", " + i1 + ", " + i2 + ")";
}
}
}
foo.multiArrayOfStrings = strings;
ConsumerHandle[] inputStreams = new ConsumerHandle[5];
for (int i = 0; i < inputStreams.length; ++i) {
inputStreams[i] = new HandleMock();
}
foo.inputStreams = inputStreams;
ProducerHandle[] outputStreams = new ProducerHandle[3];
for (int i = 0; i < outputStreams.length; ++i) {
outputStreams[i] = new HandleMock();
}
foo.outputStreams = outputStreams;
foo.source = new HandleMock();
return foo;
}
private static Rect createRect(int x, int y, int width, int height) {
Rect rect = new Rect();
rect.x = x;
rect.y = y;
rect.width = width;
rect.height = height;
return rect;
}
private static <T> void checkConstantField(Field field, Class<T> expectedClass, T value)
throws IllegalAccessException {
Assert.assertEquals(expectedClass, field.getType());
Assert.assertEquals(Modifier.FINAL, field.getModifiers() & Modifier.FINAL);
Assert.assertEquals(Modifier.STATIC, field.getModifiers() & Modifier.STATIC);
Assert.assertEquals(value, field.get(null));
}
private static <T> void checkField(Field field, Class<T> expectedClass, Object object, T value)
throws IllegalArgumentException, IllegalAccessException {
Assert.assertEquals(expectedClass, field.getType());
Assert.assertEquals(0, field.getModifiers() & Modifier.FINAL);
Assert.assertEquals(0, field.getModifiers() & Modifier.STATIC);
Assert.assertEquals(value, field.get(object));
}
/** Testing constants are correctly generated. */
@Test
@SmallTest
public void testConstants()
throws NoSuchFieldException, SecurityException, IllegalAccessException {
checkConstantField(SampleServiceConstants.class.getField("TWELVE"), byte.class, (byte) 12);
checkConstantField(InterfaceConstants.class.getField("LONG"), long.class, 4405L);
}
/** Testing enums are correctly generated. */
@Test
@SmallTest
public void testEnums() throws NoSuchFieldException, SecurityException, IllegalAccessException {
checkConstantField(Color.class.getField("RED"), int.class, 0);
checkConstantField(Color.class.getField("BLACK"), int.class, 1);
checkConstantField(Enum.class.getField("VALUE"), int.class, 0);
checkConstantField(Shape.class.getField("RECTANGLE"), int.class, 1);
checkConstantField(Shape.class.getField("CIRCLE"), int.class, 2);
checkConstantField(Shape.class.getField("TRIANGLE"), int.class, 3);
}
/**
* Testing default values on structs.
*
* @throws IllegalAccessException
* @throws IllegalArgumentException
*/
@Test
@SmallTest
public void testStructDefaults()
throws NoSuchFieldException,
SecurityException,
IllegalArgumentException,
IllegalAccessException {
// Check default values.
DefaultsTest test = new DefaultsTest();
checkField(DefaultsTest.class.getField("a0"), byte.class, test, (byte) -12);
checkField(DefaultsTest.class.getField("a1"), byte.class, test, (byte) 12);
checkField(DefaultsTest.class.getField("a2"), short.class, test, (short) 1234);
checkField(DefaultsTest.class.getField("a3"), short.class, test, (short) 34567);
checkField(DefaultsTest.class.getField("a4"), int.class, test, 123456);
checkField(DefaultsTest.class.getField("a5"), int.class, test, (int) 3456789012L);
checkField(DefaultsTest.class.getField("a6"), long.class, test, -111111111111L);
// -8446744073709551617 == 9999999999999999999 - 2 ^ 64.
checkField(DefaultsTest.class.getField("a7"), long.class, test, -8446744073709551617L);
checkField(DefaultsTest.class.getField("a8"), int.class, test, 0x12345);
checkField(DefaultsTest.class.getField("a9"), int.class, test, -0x12345);
checkField(DefaultsTest.class.getField("a10"), int.class, test, 1234);
checkField(DefaultsTest.class.getField("a11"), boolean.class, test, true);
checkField(DefaultsTest.class.getField("a12"), boolean.class, test, false);
checkField(DefaultsTest.class.getField("a13"), float.class, test, (float) 123.25);
checkField(DefaultsTest.class.getField("a14"), double.class, test, 1234567890.123);
checkField(DefaultsTest.class.getField("a15"), double.class, test, 1E10);
checkField(DefaultsTest.class.getField("a16"), double.class, test, -1.2E+20);
checkField(DefaultsTest.class.getField("a17"), double.class, test, +1.23E-20);
checkField(DefaultsTest.class.getField("a18"), byte[].class, test, null);
checkField(DefaultsTest.class.getField("a19"), String.class, test, null);
checkField(DefaultsTest.class.getField("a20"), int.class, test, Bar.Type.BOTH);
checkField(DefaultsTest.class.getField("a21"), Point.class, test, null);
Assert.assertNotNull(test.a22);
checkField(DefaultsTest.class.getField("a22"), Thing.class, test, test.a22);
checkField(DefaultsTest.class.getField("a23"), long.class, test, -1L);
checkField(DefaultsTest.class.getField("a24"), long.class, test, 0x123456789L);
checkField(DefaultsTest.class.getField("a25"), long.class, test, -0x123456789L);
}
/**
* Testing generation of the Foo class.
*
* @throws IllegalAccessException
*/
@Test
@SmallTest
public void testFooGeneration()
throws NoSuchFieldException, SecurityException, IllegalAccessException {
// Checking Foo constants.
checkConstantField(Foo.class.getField("FOOBY"), String.class, "Fooby");
// Checking Foo default values.
Foo foo = new Foo();
checkField(Foo.class.getField("name"), String.class, foo, Foo.FOOBY);
Assert.assertNotNull(foo.source);
Assert.assertFalse(foo.source.isValid());
checkField(Foo.class.getField("source"), MessagePipeHandle.class, foo, foo.source);
}
/** Testing serialization of the Foo class. */
@Test
@SmallTest
public void testFooSerialization() {
// Checking serialization and deserialization of a Foo object.
Foo typicalFoo = createFoo();
Message serializedFoo = typicalFoo.serialize(null);
Foo deserializedFoo = Foo.deserialize(serializedFoo);
Assert.assertTrue(BindingsTestUtils.structsEqual(typicalFoo, deserializedFoo));
}
/** Testing serialization of the EmptyStruct class. */
@Test
@SmallTest
public void testEmptyStructSerialization() {
// Checking serialization and deserialization of a EmptyStruct object.
Message serializedStruct = new EmptyStruct().serialize(null);
EmptyStruct emptyStruct = EmptyStruct.deserialize(serializedStruct);
Assert.assertNotNull(emptyStruct);
}
}
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