package com.esotericsoftware.reflectasm;

import junit.framework.TestCase;

public class FieldAccessTest extends TestCase {
	public void testNameSetAndGet () {
		FieldAccess access = FieldAccess.get(SomeClass.class);
		SomeClass test = new SomeClass();

		assertEquals(null, test.name);
		access.set(test, "name", "first");
		assertEquals("first", test.name);
		assertEquals("first", access.get(test, "name"));

		assertEquals(0, test.intValue);
		access.set(test, "intValue", 1234);
		assertEquals(1234, test.intValue);
		assertEquals(1234, access.get(test, "intValue"));
	}

	public void testIndexSetAndGet () {
		FieldAccess access = FieldAccess.get(SomeClass.class);
		SomeClass test = new SomeClass();
		int index;

		assertEquals(null, test.name);
		index = access.getIndex("name");
		access.set(test, index, "first");
		assertEquals("first", test.name);
		assertEquals("first", access.get(test, index));

		index = access.getIndex("intValue");
		assertEquals(0, test.intValue);
		access.set(test, index, 1234);
		assertEquals(1234, test.intValue);
		assertEquals(1234, access.get(test, index));

		assertEquals(false, access.getBoolean(test, access.getIndex("booleanField")));
		access.setBoolean(test, access.getIndex("booleanField"), true);
		assertEquals(true, access.getBoolean(test, access.getIndex("booleanField")));

		assertEquals(0, access.getByte(test, access.getIndex("byteField")));
		access.setByte(test, access.getIndex("byteField"), (byte)23);
		assertEquals(23, access.getByte(test, access.getIndex("byteField")));

		assertEquals(0, access.getChar(test, access.getIndex("charField")));
		access.setChar(test, access.getIndex("charField"), (char)53);
		assertEquals(53, access.getChar(test, access.getIndex("charField")));

		assertEquals(0, access.getShort(test, access.getIndex("shortField")));
		access.setShort(test, access.getIndex("shortField"), (short)123);
		assertEquals(123, access.getShort(test, access.getIndex("shortField")));

		assertEquals(0, access.getInt(test, access.getIndex("intField")));
		access.setInt(test, access.getIndex("intField"), 123);
		assertEquals(123, access.getInt(test, access.getIndex("intField")));

		assertEquals(0, access.getLong(test, access.getIndex("longField")));
		access.setLong(test, access.getIndex("longField"), 123456789l);
		assertEquals(123456789l, access.getLong(test, access.getIndex("longField")));

		assertEquals(0f, access.getFloat(test, access.getIndex("floatField")));
		access.setFloat(test, access.getIndex("floatField"), 1.23f);
		assertEquals(1.23f, access.getFloat(test, access.getIndex("floatField")));

		assertEquals(0d, access.getDouble(test, access.getIndex("doubleField")));
		access.setDouble(test, access.getIndex("doubleField"), 123.456);
		assertEquals(123.456, access.getDouble(test, access.getIndex("doubleField")));
	}

	public void testEmptyClass () {
		FieldAccess access = FieldAccess.get(EmptyClass.class);
		try {
			access.getIndex("name");
			fail();
		} catch (IllegalArgumentException expected) {
			// expected.printStackTrace();
		}
		try {
			access.get(new EmptyClass(), "meow");
			fail();
		} catch (IllegalArgumentException expected) {
			// expected.printStackTrace();
		}
		try {
			access.get(new EmptyClass(), 0);
			fail();
		} catch (IllegalArgumentException expected) {
			// expected.printStackTrace();
		}
		try {
			access.set(new EmptyClass(), "foo", "moo");
			fail();
		} catch (IllegalArgumentException expected) {
			// expected.printStackTrace();
		}
	}

	static public class SomeClass {
		public String name;
		public int intValue;
		protected float test1;
		Float test2;
		private String test3;

		public boolean booleanField;
		public byte byteField;
		public char charField;
		public short shortField;
		public int intField;
		public long longField;
		public float floatField;
		public double doubleField;
	}

	static public class EmptyClass {
	}
}