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test("basic functionality", () => {
expect(JSON.parse).toHaveLength(2);
const properties = [
["5", 5],
["null", null],
["true", true],
["false", false],
['"test"', "test"],
['[1,2,"foo"]', [1, 2, "foo"]],
['{"foo":1,"bar":"baz"}', { foo: 1, bar: "baz" }],
];
properties.forEach(testCase => {
expect(JSON.parse(testCase[0])).toEqual(testCase[1]);
});
});
test("syntax errors", () => {
[
undefined,
NaN,
-NaN,
Infinity,
-Infinity,
'{ "foo" }',
'{ foo: "bar" }',
"[1,2,3,]",
"[1,2,3, ]",
'{ "foo": "bar",}',
'{ "foo": "bar", }',
].forEach(test => {
expect(() => {
JSON.parse(test);
}).toThrow(SyntaxError);
});
});
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