json.js - mozsearch

Enable keyboard shortcuts

function testBasic() {

    // Latin1

    var s = '[1, 2, "foo", "bar\\r\\n", {"xyz": 3}, [1, 2, 3]]';

    assertEq(isLatin1(s), true);

    assertEq(JSON.stringify(JSON.parse(s)), '[1,2,"foo","bar\\r\\n",{"xyz":3},[1,2,3]]');

    // TwoByte

    s = '[1, 2, "foo\u1200", "bar\\r\\n", {"xyz": 3}, [1, 2, 3]]';

    assertEq(JSON.stringify(JSON.parse(s)), '[1,2,"foo\u1200","bar\\r\\n",{"xyz":3},[1,2,3]]');

testBasic();

function testErrorPos() {

    // Make sure the error location is calculated correctly.

    // Latin1

    var s = '[1, \n2,';

    try {

	JSON.parse(s);

	assertEq(0, 1);

    } catch(e) {

	assertEq(e instanceof SyntaxError, true);

	assertEq(e.toString().includes("line 2 column 3"), true);

    s = '[1, "\u1300",\n2,';

    try {

	JSON.parse(s);

	assertEq(0, 1);

    } catch(e) {

	assertEq(e instanceof SyntaxError, true);

	assertEq(e.toString().includes("line 2 column 3"), true);

testErrorPos();

function testEvalHack() {

    // Latin1

    var arr = eval("[1, 2, 3, \"abc\"]");

    assertEq(JSON.stringify(arr), '[1,2,3,"abc"]');

    assertEq(isLatin1(JSON.stringify(arr)), true);

    // TwoByte

    arr = eval("[1, 2, 3, \"abc\u1200\"]");

    assertEq(JSON.stringify(arr), '[1,2,3,"abc\u1200"]');

testEvalHack();

function testEvalHackNotJSON() {

    // Latin1

    var arr = eval("[]; var q; [1, 2, 3, \"abc\"]");

    assertEq(JSON.stringify(arr), '[1,2,3,"abc"]');

    // TwoByte

    arr = eval("[]; var z; [1, 2, 3, \"abc\u1200\"]");

    assertEq(JSON.stringify(arr), '[1,2,3,"abc\u1200"]');

    var arr = eval("[1, 2, 3, \"abc\u2028\"]");

    assertEq(arr.length, 4);

    assertEq(arr[3], "abc\u2028");

testEvalHackNotJSON();

function testQuote() {

    // Latin1

    var s = "abc--\x05-'\"-\n-\u00ff++";

    var res = JSON.stringify(s);

    assertEq(res, '"abc--\\u0005-\'\\"-\\n-\xFF++"');

    assertEq(isLatin1(res), true);

    // TwoByte

    s += "\uAAAA";

    assertEq(JSON.stringify(s), '"abc--\\u0005-\'\\"-\\n-\xFF++\uAAAA"');

testQuote();