java/src/test/java/com/jsoniter/TestGenerics.java at master · ws-php/java · GitHub

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package com.jsoniter;

import com.jsoniter.spi.Binding;

import com.jsoniter.spi.ClassDescriptor;

import com.jsoniter.spi.JsoniterSpi;

import com.jsoniter.spi.TypeLiteral;

import junit.framework.TestCase;

import java.io.IOException;

import java.util.*;

import static org.junit.Assert.assertArrayEquals;

public class TestGenerics extends TestCase {

static {

// JsonIterator.setMode(DecodingMode.REFLECTION_MODE);

}

public void test_int_list() throws IOException {

JsonIterator iter = JsonIterator.parse("[1,2,3]");

List<Integer> val = iter.read(new TypeLiteral<ArrayList<Integer>>() {

});

assertArrayEquals(new Integer[]{1, 2, 3}, val.toArray(new Integer[0]));

}

public void test_string_list() throws IOException {

JsonIterator iter = JsonIterator.parse("['hello', 'world']".replace('\'', '"'));

List<String> val = iter.read(new TypeLiteral<List<String>>() {

});

assertArrayEquals(new String[]{"hello", "world"}, val.toArray(new String[0]));

}

public void test_linked_list() throws IOException {

JsonIterator iter = JsonIterator.parse("['hello', 'world']".replace('\'', '"'));

List<String> val = iter.read(new TypeLiteral<LinkedList<String>>() {

});

assertArrayEquals(new String[]{"hello", "world"}, val.toArray(new String[0]));

}

public void test_string_set() throws IOException {

JsonIterator iter = JsonIterator.parse("['hello']".replace('\'', '"'));

Set<String> val = iter.read(new TypeLiteral<Set<String>>() {

});

assertArrayEquals(new String[]{"hello"}, val.toArray(new String[0]));

}

public void test_string_map() throws IOException {

JsonIterator iter = JsonIterator.parse("{'hello': 'world'}".replace('\'', '"'));

Map<String, String> val = iter.read(new TypeLiteral<Map<String, String>>() {

});

assertEquals("world", val.get("hello"));

}

public void test_list_of_list() throws Exception {

JsonIterator iter = JsonIterator.parse("[[1,2],[3,4]]");

List<List<Integer>> listOfList = iter.read(new TypeLiteral<List<List<Integer>>>() {

});

System.out.println(listOfList);

assertEquals(Integer.valueOf(4), listOfList.get(1).get(1));

}

public void test_complex_object() throws IOException {

JsonIterator iter = JsonIterator.parse("{'field1': 100, 'field2': [[1,2],[3,4]]}".replace('\'', '"'));

ComplexObject val = iter.read(ComplexObject.class);

assertEquals(100, val.field1);

assertEquals(Integer.valueOf(4), val.field2.get(1).get(1));

}

public static class Class1<A, B> {

public List<A> field1;

public B[] field2;

public List<B>[] field3;

public List<A[]> field4;

public List<Map<A, List<B>>> getField6() {

return null;

}

public <T> T getField7() {

return null;

}

public void setField8(List<A> a) {

}

public static class Class2<C, D, E> extends Class1<C, D> {

public E field5;

}

public static class Class3 extends Class2<String, Integer, Float> {

}

public void test_generic_super_class() throws IOException {

ClassDescriptor desc = JsoniterSpi.getClassDescriptor(Class3.class, true);

Map<String, String> fieldDecoderCacheKeys = new HashMap<String, String>();

for (Binding field : desc.allDecoderBindings()) {

fieldDecoderCacheKeys.put(field.name, field.valueTypeLiteral.getDecoderCacheKey());

}

for (Binding field : desc.getters) {

fieldDecoderCacheKeys.put(field.name, field.valueTypeLiteral.getDecoderCacheKey());

}

assertEquals(new HashMap<String, String>() {{

put("field1", "decoder.java.util.List_java.lang.String");

put("field2", "decoder.java.lang.Integer_array");

put("field3", "decoder.java.util.List_java.lang.Integer_array");

put("field4", "decoder.java.util.List_java.lang.String_array");

put("field5", "decoder.java.lang.Float");

put("getField6()", "decoder.java.util.List_java.util.Map_java.lang.String_java.util.List_java.lang.Integer");

put("getField7()", "decoder.java.lang.Object");

put("field8", "decoder.java.util.List_java.lang.String");

}}, fieldDecoderCacheKeys);

}

java/src/test/java/com/jsoniter/TestGenerics.java at master · ws-php/java · GitHub

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