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const { CanonicalJSON } = Components.utils.import("resource://gre/modules/CanonicalJSON.jsm");
function stringRepresentation(obj) {
const clone = JSON.parse(JSON.stringify(obj));
return JSON.stringify(clone);
}
add_task(function* test_canonicalJSON_should_preserve_array_order() {
const input = ['one', 'two', 'three'];
// No sorting should be done on arrays.
do_check_eq(CanonicalJSON.stringify(input), '["one","two","three"]');
});
add_task(function* test_canonicalJSON_orders_object_keys() {
const input = [{
b: ['two', 'three'],
a: ['zero', 'one']
}];
do_check_eq(
CanonicalJSON.stringify(input),
'[{"a":["zero","one"],"b":["two","three"]}]'
);
});
add_task(function* test_canonicalJSON_orders_nested_object_keys() {
const input = [{
b: {d: 'd', c: 'c'},
a: {b: 'b', a: 'a'}
}];
do_check_eq(
CanonicalJSON.stringify(input),
'[{"a":{"a":"a","b":"b"},"b":{"c":"c","d":"d"}}]'
);
});
add_task(function* test_canonicalJSON_escapes_unicode_values() {
do_check_eq(
CanonicalJSON.stringify([{key: '✓'}]),
'[{"key":"\\u2713"}]'
);
// Unicode codepoints should be output in lowercase.
do_check_eq(
CanonicalJSON.stringify([{key: 'é'}]),
'[{"key":"\\u00e9"}]'
);
});
add_task(function* test_canonicalJSON_escapes_unicode_object_keys() {
do_check_eq(
CanonicalJSON.stringify([{'é': 'check'}]),
'[{"\\u00e9":"check"}]'
);
});
add_task(function* test_canonicalJSON_does_not_alter_input() {
const records = [
{'foo': 'bar', 'last_modified': '12345', 'id': '1'},
{'bar': 'baz', 'last_modified': '45678', 'id': '2'}
];
const serializedJSON = JSON.stringify(records);
CanonicalJSON.stringify(records);
do_check_eq(JSON.stringify(records), serializedJSON);
});
add_task(function* test_canonicalJSON_preserves_data() {
const records = [
{'foo': 'bar', 'last_modified': '12345', 'id': '1'},
{'bar': 'baz', 'last_modified': '45678', 'id': '2'},
]
const serialized = CanonicalJSON.stringify(records);
const expected = '[{"foo":"bar","id":"1","last_modified":"12345"},' +
'{"bar":"baz","id":"2","last_modified":"45678"}]';
do_check_eq(CanonicalJSON.stringify(records), expected);
});
add_task(function* test_canonicalJSON_does_not_add_space_separators() {
const records = [
{'foo': 'bar', 'last_modified': '12345', 'id': '1'},
{'bar': 'baz', 'last_modified': '45678', 'id': '2'},
]
const serialized = CanonicalJSON.stringify(records);
do_check_false(serialized.includes(" "));
});
add_task(function* test_canonicalJSON_serializes_empty_object() {
do_check_eq(CanonicalJSON.stringify({}), "{}");
});
add_task(function* test_canonicalJSON_serializes_empty_array() {
do_check_eq(CanonicalJSON.stringify([]), "[]");
});
add_task(function* test_canonicalJSON_serializes_NaN() {
do_check_eq(CanonicalJSON.stringify(NaN), "null");
});
add_task(function* test_canonicalJSON_serializes_inf() {
// This isn't part of the JSON standard.
do_check_eq(CanonicalJSON.stringify(Infinity), "null");
});
add_task(function* test_canonicalJSON_serializes_empty_string() {
do_check_eq(CanonicalJSON.stringify(""), '""');
});
add_task(function* test_canonicalJSON_escapes_backslashes() {
do_check_eq(CanonicalJSON.stringify("This\\and this"), '"This\\\\and this"');
});
add_task(function* test_canonicalJSON_handles_signed_zeros() {
// do_check_eq doesn't support comparison of -0 and 0 properly.
do_check_true(CanonicalJSON.stringify(-0) === '-0');
do_check_true(CanonicalJSON.stringify(0) === '0');
});
add_task(function* test_canonicalJSON_with_deeply_nested_dicts() {
const records = [{
'a': {
'b': 'b',
'a': 'a',
'c': {
'b': 'b',
'a': 'a',
'c': ['b', 'a', 'c'],
'd': {'b': 'b', 'a': 'a'},
'id': '1',
'e': 1,
'f': [2, 3, 1],
'g': {2: 2, 3: 3, 1: {
'b': 'b', 'a': 'a', 'c': 'c'}}}},
'id': '1'}]
const expected =
'[{"a":{"a":"a","b":"b","c":{"a":"a","b":"b","c":["b","a","c"],' +
'"d":{"a":"a","b":"b"},"e":1,"f":[2,3,1],"g":{' +
'"1":{"a":"a","b":"b","c":"c"},"2":2,"3":3},"id":"1"}},"id":"1"}]';
do_check_eq(CanonicalJSON.stringify(records), expected);
});
function run_test() {
run_next_test();
}
|
