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package com.google.gson.functional;
import com.google.gson.Gson;
import junit.framework.TestCase;
/**
* Functional tests for Json serialization and deserialization of strings.
*
* @author Inderjeet Singh
* @author Joel Leitch
*/
public class StringTest extends TestCase {
private Gson gson;
@Override
protected void setUp() throws Exception {
super.setUp();
gson = new Gson();
}
public void testStringValueSerialization() throws Exception {
String value = "someRandomStringValue";
assertEquals('"' + value + '"', gson.toJson(value));
}
public void testStringValueDeserialization() throws Exception {
String value = "someRandomStringValue";
String actual = gson.fromJson("\"" + value + "\"", String.class);
assertEquals(value, actual);
}
public void testSingleQuoteInStringSerialization() throws Exception {
String valueWithQuotes = "beforeQuote'afterQuote";
String jsonRepresentation = gson.toJson(valueWithQuotes);
assertEquals(valueWithQuotes, gson.fromJson(jsonRepresentation, String.class));
}
public void testEscapedCtrlNInStringSerialization() throws Exception {
String value = "a\nb";
String json = gson.toJson(value);
assertEquals("\"a\\nb\"", json);
}
public void testEscapedCtrlNInStringDeserialization() throws Exception {
String json = "'a\\nb'";
String actual = gson.fromJson(json, String.class);
assertEquals("a\nb", actual);
}
public void testEscapedCtrlRInStringSerialization() throws Exception {
String value = "a\rb";
String json = gson.toJson(value);
assertEquals("\"a\\rb\"", json);
}
public void testEscapedCtrlRInStringDeserialization() throws Exception {
String json = "'a\\rb'";
String actual = gson.fromJson(json, String.class);
assertEquals("a\rb", actual);
}
public void testEscapedBackslashInStringSerialization() throws Exception {
String value = "a\\b";
String json = gson.toJson(value);
assertEquals("\"a\\\\b\"", json);
}
public void testEscapedBackslashInStringDeserialization() throws Exception {
String actual = gson.fromJson("'a\\\\b'", String.class);
assertEquals("a\\b", actual);
}
public void testSingleQuoteInStringDeserialization() throws Exception {
String value = "beforeQuote'afterQuote";
String actual = gson.fromJson("\"" + value + "\"", String.class);
assertEquals(value, actual);
}
public void testEscapingQuotesInStringSerialization() throws Exception {
String valueWithQuotes = "beforeQuote\"afterQuote";
String jsonRepresentation = gson.toJson(valueWithQuotes);
String target = gson.fromJson(jsonRepresentation, String.class);
assertEquals(valueWithQuotes, target);
}
public void testEscapingQuotesInStringDeserialization() throws Exception {
String value = "beforeQuote\\\"afterQuote";
String actual = gson.fromJson("\"" + value + "\"", String.class);
String expected = "beforeQuote\"afterQuote";
assertEquals(expected, actual);
}
public void testStringValueAsSingleElementArraySerialization() throws Exception {
String[] target = {"abc"};
assertEquals("[\"abc\"]", gson.toJson(target));
assertEquals("[\"abc\"]", gson.toJson(target, String[].class));
}
public void testStringWithEscapedSlashDeserialization() {
String value = "/";
String json = "'\\/'";
String actual = gson.fromJson(json, String.class);
assertEquals(value, actual);
}
/**
* Created in response to http://groups.google.com/group/google-gson/browse_thread/thread/2431d4a3d0d6cb23
*/
public void testAssignmentCharSerialization() {
String value = "abc=";
String json = gson.toJson(value);
assertEquals("\"abc\\u003d\"", json);
}
/**
* Created in response to http://groups.google.com/group/google-gson/browse_thread/thread/2431d4a3d0d6cb23
*/
public void testAssignmentCharDeserialization() {
String json = "\"abc=\"";
String value = gson.fromJson(json, String.class);
assertEquals("abc=", value);
json = "'abc\u003d'";
value = gson.fromJson(json, String.class);
assertEquals("abc=", value);
}
public void testJavascriptKeywordsInStringSerialization() {
String value = "null true false function";
String json = gson.toJson(value);
assertEquals("\"" + value + "\"", json);
}
public void testJavascriptKeywordsInStringDeserialization() {
String json = "'null true false function'";
String value = gson.fromJson(json, String.class);
assertEquals(json.substring(1, json.length() - 1), value);
}
}
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