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package com.jsoniter;
import com.google.gson.*;
import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;
import com.google.gson.annotations.Since;
import com.google.gson.annotations.Until;
import com.jsoniter.extra.GsonCompatibilityMode;
import junit.framework.TestCase;
import java.lang.reflect.Field;
import java.util.Date;
import java.util.TimeZone;
public class TestGson extends TestCase {
public static class TestObject1 {
@SerializedName("field-1")
public String field1;
}
public void test_SerializedName() {
Gson gson = new Gson();
TestObject1 obj = gson.fromJson("{\"field-1\":\"hello\"}", TestObject1.class);
assertEquals("hello", obj.field1);
obj = JsonIterator.deserialize(new GsonCompatibilityMode.Builder().build(),
"{\"field-1\":\"hello\"}", TestObject1.class);
assertEquals("hello", obj.field1);
}
public static class TestObject2 {
@Expose(deserialize = false)
public String field1;
}
public void test_Expose() {
// test if the iterator reuse will keep right config cache
JsonIterator.deserialize(new GsonCompatibilityMode.Builder().build(),
"{\"field-1\":\"hello\"}", TestObject2.class);
Gson gson = new GsonBuilder()
.excludeFieldsWithoutExposeAnnotation()
.create();
TestObject2 obj = gson.fromJson("{\"field1\":\"hello\"}", TestObject2.class);
assertNull(obj.field1);
GsonCompatibilityMode config = new GsonCompatibilityMode.Builder()
.excludeFieldsWithoutExposeAnnotation()
.build();
obj = JsonIterator.deserialize(config,
"{\"field1\":\"hello\"}", TestObject2.class);
assertNull(obj.field1);
}
public void test_setDateFormat_no_op() {
TimeZone orig = TimeZone.getDefault();
try {
TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
Gson gson = new GsonBuilder().create();
Date obj = gson.fromJson("\"Jan 1, 1970 12:00:00 AM\"", Date.class);
assertEquals(0, obj.getTime());
GsonCompatibilityMode config = new GsonCompatibilityMode.Builder()
.build();
obj = JsonIterator.deserialize(config, "\"Jan 1, 1970 12:00:00 AM\"", Date.class);
assertEquals(0, obj.getTime());
} finally {
TimeZone.setDefault(orig);
}
}
public void test_setDateFormat_format() {
TimeZone orig = TimeZone.getDefault();
try {
TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
Gson gson = new GsonBuilder().setDateFormat("EEE, MMM d, yyyy hh:mm:ss a z").create();
Date obj = gson.fromJson("\"Thu, Jan 1, 1970 12:00:00 AM UTC\"", Date.class);
assertEquals(0, obj.getTime());
GsonCompatibilityMode config = new GsonCompatibilityMode.Builder()
.setDateFormat("EEE, MMM d, yyyy hh:mm:ss a z")
.build();
obj = JsonIterator.deserialize(config, "\"Thu, Jan 1, 1970 12:00:00 AM UTC\"", Date.class);
assertEquals(0, obj.getTime());
} finally {
TimeZone.setDefault(orig);
}
}
public static class TestObject3 {
public String field1;
}
public void test_setFieldNamingStrategy() {
FieldNamingStrategy fieldNamingStrategy = new FieldNamingStrategy() {
@Override
public String translateName(Field f) {
return "_" + f.getName();
}
};
Gson gson = new GsonBuilder()
.setFieldNamingStrategy(fieldNamingStrategy)
.create();
TestObject3 obj = gson.fromJson("{\"_field1\":\"hello\"}", TestObject3.class);
assertEquals("hello", obj.field1);
GsonCompatibilityMode config = new GsonCompatibilityMode.Builder()
.setFieldNamingStrategy(fieldNamingStrategy)
.build();
obj = JsonIterator.deserialize(config, "{\"_field1\":\"hello\"}", TestObject3.class);
assertEquals("hello", obj.field1);
}
public void test_setFieldNamingPolicy() {
Gson gson = new GsonBuilder()
.setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE)
.create();
TestObject3 obj = gson.fromJson("{\"Field1\":\"hello\"}", TestObject3.class);
assertEquals("hello", obj.field1);
GsonCompatibilityMode config = new GsonCompatibilityMode.Builder()
.setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE)
.build();
obj = JsonIterator.deserialize(config, "{\"Field1\":\"hello\"}", TestObject3.class);
assertEquals("hello", obj.field1);
}
public static class TestObject5 {
@Since(3.0)
public String field1 = "";
@Until(1.0)
public String field2 = "";
@Since(2.0)
public String field3 = "";
@Until(2.0)
public String field4 = "";
}
public void test_setVersion() {
Gson gson = new GsonBuilder()
.setVersion(2.0)
.create();
TestObject5 obj = gson.fromJson("{\"field1\":\"field1\",\"field2\":\"field2\",\"field3\":\"field3\",\"field4\":\"field4\"}",
TestObject5.class);
assertEquals("", obj.field1);
assertEquals("", obj.field2);
assertEquals("field3", obj.field3);
assertEquals("", obj.field4);
GsonCompatibilityMode config = new GsonCompatibilityMode.Builder()
.setVersion(2.0)
.build();
obj = JsonIterator.deserialize(config, "{\"field1\":\"field1\",\"field2\":\"field2\",\"field3\":\"field3\",\"field4\":\"field4\"}",
TestObject5.class);
assertEquals("", obj.field1);
assertEquals("", obj.field2);
assertEquals("field3", obj.field3);
assertEquals("", obj.field4);
}
public void test_addDeserializationExclusionStrategy() {
ExclusionStrategy exclusionStrategy = new ExclusionStrategy() {
@Override
public boolean shouldSkipField(FieldAttributes f) {
return !f.getName().equals("field3");
}
@Override
public boolean shouldSkipClass(Class<?> clazz) {
return false;
}
};
Gson gson = new GsonBuilder()
.addDeserializationExclusionStrategy(exclusionStrategy)
.create();
TestObject5 obj = gson.fromJson("{\"field1\":\"field1\",\"field2\":\"field2\",\"field3\":\"field3\",\"field4\":\"field4\"}",
TestObject5.class);
assertEquals("", obj.field1);
assertEquals("", obj.field2);
assertEquals("field3", obj.field3);
assertEquals("", obj.field4);
GsonCompatibilityMode config = new GsonCompatibilityMode.Builder()
.addDeserializationExclusionStrategy(exclusionStrategy)
.build();
obj = JsonIterator.deserialize(config, "{\"field1\":\"field1\",\"field2\":\"field2\",\"field3\":\"field3\",\"field4\":\"field4\"}",
TestObject5.class);
assertEquals("", obj.field1);
assertEquals("", obj.field2);
assertEquals("field3", obj.field3);
assertEquals("", obj.field4);
}
public void test_int_as_string() {
Gson gson = new Gson();
String str = gson.fromJson("1.1", String.class);
assertEquals("1.1", str);
GsonCompatibilityMode config = new GsonCompatibilityMode.Builder().build();
str = JsonIterator.deserialize(config, "1", String.class);
assertEquals("1", str);
}
public void test_bool_as_string() {
Gson gson = new Gson();
String str = gson.fromJson("true", String.class);
assertEquals("true", str);
GsonCompatibilityMode config = new GsonCompatibilityMode.Builder().build();
str = JsonIterator.deserialize(config, "true", String.class);
assertEquals("true", str);
}
public static class TestObject6 {
public boolean field;
}
public void test_null_as_boolean() {
Gson gson = new Gson();
TestObject6 obj = gson.fromJson("{\"field\":null}", TestObject6.class);
assertFalse(obj.field);
GsonCompatibilityMode config = new GsonCompatibilityMode.Builder().build();
obj = JsonIterator.deserialize(config, "{\"field\":null}", TestObject6.class);
assertFalse(obj.field);
}
public static class TestObject7 {
public long field;
}
public void test_null_as_long() {
Gson gson = new Gson();
TestObject7 obj = gson.fromJson("{\"field\":null}", TestObject7.class);
assertEquals(0, obj.field);
GsonCompatibilityMode config = new GsonCompatibilityMode.Builder().build();
obj = JsonIterator.deserialize(config, "{\"field\":null}", TestObject7.class);
assertEquals(0, obj.field);
}
public static class TestObject8 {
public int field;
}
public void test_null_as_int() {
Gson gson = new Gson();
TestObject8 obj = gson.fromJson("{\"field\":null}", TestObject8.class);
assertEquals(0, obj.field);
GsonCompatibilityMode config = new GsonCompatibilityMode.Builder().build();
obj = JsonIterator.deserialize(config, "{\"field\":null}", TestObject8.class);
assertEquals(0, obj.field);
}
public static class TestObject9 {
public float field;
}
public void test_null_as_float() {
Gson gson = new Gson();
TestObject9 obj = gson.fromJson("{\"field\":null}", TestObject9.class);
assertEquals(0.0f, obj.field);
GsonCompatibilityMode config = new GsonCompatibilityMode.Builder().build();
obj = JsonIterator.deserialize(config, "{\"field\":null}", TestObject9.class);
assertEquals(0.0f, obj.field);
}
public static class TestObject10 {
public double field;
}
public void test_null_as_double() {
Gson gson = new Gson();
TestObject10 obj = gson.fromJson("{\"field\":null}", TestObject10.class);
assertEquals(0.0d, obj.field);
GsonCompatibilityMode config = new GsonCompatibilityMode.Builder().build();
obj = JsonIterator.deserialize(config, "{\"field\":null}", TestObject10.class);
assertEquals(0.0d, obj.field);
}
}
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