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improvements to JSON stringify test cases

pull/1/head
Sami Vaarala 12 years ago
parent
de3f0d9a09
commit
67a81f7b3c
3 changed files with 162 additions and 75 deletions
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  1. 36
      testcases/test-builtin-json-enc-replacer.js
  2. 26
      testcases/test-builtin-json-enc-tojson.js
  3. 147
      testcases/test-builtin-json-enc-types.js

36
testcases/test-builtin-json-enc-replacer.js
View File

@ -12,6 +12,15 @@ replace top level with foo
"foo" "foo"
replace non-empty primitive values replace non-empty primitive values
{"foo":"foo","bar":"foo","quux":{"key1":"foo","key2":"foo"},"quuux":["foo","foo","foo"]} {"foo":"foo","bar":"foo","quux":{"key1":"foo","key2":"foo"},"quuux":["foo","foo","foo"]}
ignored replacers
{"foo":1,"bar":"bar"}
{"foo":1,"bar":"bar"}
{"foo":1,"bar":"bar"}
{"foo":1,"bar":"bar"}
{"foo":1,"bar":"bar"}
{"foo":1,"bar":"bar"}
{"foo":1,"bar":"bar"}
{"foo":1,"bar":"bar"}
===*/ ===*/
function replacerTest1() { function replacerTest1() {
@ -73,6 +82,28 @@ function replacerTest3() {
print(JSON.stringify(obj, repl)); print(JSON.stringify(obj, repl));
} }
function replacerTest4() {
var obj = {
foo: 1,
bar: 'bar'
};
// replacer must be:
// 1) a callable function
// 2) an array, in which case it is interpreted as a PropertyList
//
// other types must be ignored
print(JSON.stringify(obj, undefined));
print(JSON.stringify(obj, null));
print(JSON.stringify(obj, true));
print(JSON.stringify(obj, false));
print(JSON.stringify(obj, 1.23));
print(JSON.stringify(obj, 'foo'));
print(JSON.stringify(obj, {}));
print(JSON.stringify(obj, { foo: 1, length: 2 }));
}
try { try {
print('identity replacer'); print('identity replacer');
replacerTest1(); replacerTest1();
@ -80,8 +111,11 @@ try {
print('replace top level with foo'); print('replace top level with foo');
replacerTest2(); replacerTest2();
print('replace non-empty primitive values') print('replace non-empty primitive values');
replacerTest3(); replacerTest3();
print('ignored replacers');
replacerTest4();
} catch (e) { } catch (e) {
print(e.name); print(e.name);
} }

26
testcases/test-builtin-json-enc-tojson.js
View File

@ -1,8 +1,9 @@
/*=== /*===
{"foo":1,"bar":"bar/toJSON"} {"foo":1,"bar":"bar/toJSON"}
{"foo":1,"bar":"bar/toJSON","quux":{"toJSON":123}} {"foo":1,"bar":"bar/toJSON","quux":{"toJSON":123},"quuux":{"toJSON":{"foo":"not callable"}},"quuuux":{"toJSON":["not callable"]}}
Error quuux/toJSON error Error quuux/toJSON error
{"foo":1,"bar":"bar/toJSON","quux":{"toJSON":123},"quuux":"2012-01-02T03:04:05.006Z"} {"foo":1,"bar":"bar/toJSON","quux":{"toJSON":123},"quuux":"2012-01-02T03:04:05.006Z"}
{"foo":1,"bar":"bar/toJSON","quux":{"toJSON":123},"quuux":"inherited toJSON"}
===*/ ===*/
/* Any Object values with a callable toJSON() property will get called, /* Any Object values with a callable toJSON() property will get called,
@ -18,6 +19,7 @@ function toJsonPropertyTest1() {
bar: { toJSON: function() { return 'bar/toJSON'; } } bar: { toJSON: function() { return 'bar/toJSON'; } }
}; };
// toJSON is called
print(JSON.stringify(obj)); print(JSON.stringify(obj));
} }
@ -25,9 +27,12 @@ function toJsonPropertyTest2() {
var obj = { var obj = {
foo: 1, foo: 1,
bar: { toJSON: function() { return 'bar/toJSON'; } }, bar: { toJSON: function() { return 'bar/toJSON'; } },
quux: { toJSON: 123 } quux: { toJSON: 123 },
quuux: { toJSON: { foo: 'not callable' } },
quuuux: { toJSON: [ 'not callable' ] },
}; };
// toJSON properties are not callable, and are ignored silently
print(JSON.stringify(obj)); print(JSON.stringify(obj));
} }
@ -60,11 +65,28 @@ function toJsonPropertyTest4() {
print(JSON.stringify(obj)); print(JSON.stringify(obj));
} }
function toJsonPropertyTest5() {
function F() {
}
F.prototype = { toJSON: function() { return 'inherited toJSON'; } };
var obj = {
foo: 1,
bar: { toJSON: function() { return 'bar/toJSON'; } },
quux: { toJSON: 123 },
quuux: new F()
};
// toJSON() can be inherited
print(JSON.stringify(obj));
}
try { try {
toJsonPropertyTest1(); toJsonPropertyTest1();
toJsonPropertyTest2(); toJsonPropertyTest2();
toJsonPropertyTest3(); toJsonPropertyTest3();
toJsonPropertyTest4(); toJsonPropertyTest4();
toJsonPropertyTest5();
} catch (e) { } catch (e) {
print(e.name); print(e.name);
} }

147
testcases/test-builtin-json-enc-types.js
View File

@ -1,8 +1,5 @@
var t; var t;
var i;
var x;
var numbers;
/*=== /*===
undefined undefined undefined undefined
@ -11,16 +8,20 @@ undefined undefined
[1,2,null,4] [1,2,null,4]
===*/ ===*/
// result is undefined try {
t = JSON.stringify(undefined); // result is undefined
print(typeof t, t); t = JSON.stringify(undefined);
print(typeof t, t);
// undefined values are not serialized in objects // undefined values are not serialized in objects
print(JSON.stringify({bar:undefined})); // empty case perhaps worth extra test print(JSON.stringify({bar:undefined})); // empty case perhaps worth extra test
print(JSON.stringify({foo:1,bar:undefined})); print(JSON.stringify({foo:1,bar:undefined}));
// undefined values are serialized as 'null' in arrays // undefined values are serialized as 'null' in arrays
print(JSON.stringify([1,2,undefined,4])); print(JSON.stringify([1,2,undefined,4]));
} catch (e) {
print(e.name);
}
/*=== /*===
string null string null
@ -28,38 +29,37 @@ string null
[1,2,null,4] [1,2,null,4]
===*/ ===*/
t = JSON.stringify(null); try {
print(typeof t, t); t = JSON.stringify(null);
print(typeof t, t);
print(JSON.stringify({foo:1,bar:null})); print(JSON.stringify({foo:1,bar:null}));
print(JSON.stringify([1,2,null,4]));
print(JSON.stringify([1,2,null,4])); } catch (e) {
print(e.name);
}
/*=== /*===
string true string true
{"foo":1,"bar":true} {"foo":1,"bar":true}
[1,2,true,4] [1,2,true,4]
===*/
t = JSON.stringify(true);
print(typeof t, t);
print(JSON.stringify({foo:1,bar:true}));
print(JSON.stringify([1,2,true,4]));
/*===
string false string false
{"foo":1,"bar":false} {"foo":1,"bar":false}
[1,2,false,4] [1,2,false,4]
===*/ ===*/
t = JSON.stringify(false); try {
print(typeof t, t); t = JSON.stringify(true);
print(typeof t, t);
print(JSON.stringify({foo:1,bar:false})); print(JSON.stringify({foo:1,bar:true}));
print(JSON.stringify([1,2,true,4]));
print(JSON.stringify([1,2,false,4])); t = JSON.stringify(false);
print(typeof t, t);
print(JSON.stringify({foo:1,bar:false}));
print(JSON.stringify([1,2,false,4]));
} catch (e) {
print(e.name);
}
/*=== /*===
string -123 string -123
@ -93,18 +93,25 @@ string null
* NaN - "" - * NaN - "" -
*/ */
numbers = [ -123, -0, +0, 123, function numbersTest() {
var numbers = [ -123, -0, +0, 123,
Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY, Number.NaN ]; Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY, Number.NaN ];
var i;
for (i = 0; i < numbers.length; i++) { for (i = 0; i < numbers.length; i++) {
x = numbers[i]; x = numbers[i];
t = JSON.stringify(x); t = JSON.stringify(x);
print(typeof t, t); print(typeof t, t);
print(JSON.stringify({foo:1,bar:x})); print(JSON.stringify({foo:1,bar:x}));
print(JSON.stringify([1,2,x,4])); print(JSON.stringify([1,2,x,4]));
}
}
try {
numbersTest();
} catch (e) {
print(e.name);
} }
/*=== /*===
@ -125,17 +132,24 @@ string "foo \n\"bar"
/* Basic cases for strings. */ /* Basic cases for strings. */
strings = [ "foo", "foo \n\"bar" ]; function stringsTest() {
var strings = [ "foo", "foo \n\"bar" ];
var i;
for (i = 0; i < strings.length; i++) { for (i = 0; i < strings.length; i++) {
x = strings[i]; x = strings[i];
t = JSON.stringify(x); t = JSON.stringify(x);
print(typeof t, t); print(typeof t, t);
print(JSON.stringify({foo:1,bar:x})); print(JSON.stringify({foo:1,bar:x}));
print(JSON.stringify([1,2,x,4])); print(JSON.stringify([1,2,x,4]));
}
}
try {
stringsTest();
} catch (e) {
print(e.name);
} }
/*=== /*===
@ -220,21 +234,30 @@ for (i = 0; i < strings.length; i++) {
* be escaped by JSON.stringify(). * be escaped by JSON.stringify().
*/ */
// special chars function escapeTest() {
strings = [ '"', '\\', '/' ]; var strings = [ '"', '\\', '/' ];
for (i = 0; i < strings.length; i++) { var i;
for (i = 0; i < strings.length; i++) {
t = JSON.stringify(strings[i]); t = JSON.stringify(strings[i]);
print(t); print(t);
} }
for (i = 0; i <= 32; i++) { for (i = 0; i <= 32; i++) {
t = JSON.stringify(String.fromCharCode(i)); t = JSON.stringify(String.fromCharCode(i));
print(t); print(t);
} }
for (i = 0x80; i < 0xa0; i++) { for (i = 0x80; i < 0xa0; i++) {
t = JSON.stringify(String.fromCharCode(i)); t = JSON.stringify(String.fromCharCode(i));
print(t.charCodeAt(0), t.charCodeAt(1), t.charCodeAt(2)); print(t.charCodeAt(0), t.charCodeAt(1), t.charCodeAt(2));
}
}
try {
escapeTest();
} catch (e) {
print(e.name);
} }
/*=== /*===
@ -242,8 +265,12 @@ for (i = 0x80; i < 0xa0; i++) {
===*/ ===*/
/* Very basic object/array serialization test. */ /* Very basic object/array serialization test. */
t = JSON.stringify({foo:1,bar:'text',object:{baz:2},array:[1,2,3]}); try {
print(t); t = JSON.stringify({foo:1,bar:'text',object:{baz:2},array:[1,2,3]});
print(t);
} catch (e) {
print(e.name);
}
/*=== /*===
[1,2,null,4] [1,2,null,4]
@ -253,15 +280,19 @@ print(t);
/* Functions (anything callable) serialize as 'null' */ /* Functions (anything callable) serialize as 'null' */
// anonymous Ecmascript function try {
t = JSON.stringify([1,2,function(){},4]); // anonymous Ecmascript function
print(t); t = JSON.stringify([1,2,function(){},4]);
print(t);
// native function // native function
t = JSON.stringify([1,2,Object.prototype.toString,4]); t = JSON.stringify([1,2,Object.prototype.toString,4]);
print(t); print(t);
// bound function // bound function
t = JSON.stringify([1,2,print.bind('foo'),4]); t = JSON.stringify([1,2,print.bind('foo'),4]);
print(t); print(t);
} catch (e) {
print(e.name);
}

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