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