index.js
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'use strict';
var assert = require('assert');
var constaninople = require('../');
describe('isConstant(src)', function() {
it('handles "[5 + 3 + 10]"', function() {
assert(constaninople.isConstant('[5 + 3 + 10]') === true);
});
it('handles "/[a-z]/i.test(\'a\')"', function() {
assert(constaninople.isConstant("/[a-z]/i.test('a')") === true);
});
it("handles \"{'class': [('data')]}\"", function() {
assert(constaninople.isConstant("{'class': [('data')]}") === true);
});
it('handles "Math.random()"', function() {
assert(constaninople.isConstant('Math.random()') === false);
});
it('handles "Math.random("', function() {
assert(constaninople.isConstant('Math.random(') === false);
});
it('handles "Math.floor(10.5)" with {Math: Math} as constants', function() {
assert(constaninople.isConstant('Math.floor(10.5)', {Math: Math}) === true);
});
it('handles "this.myVar"', function() {
assert(constaninople.isConstant('this.myVar') === false);
});
it('handles "(function () { while (true); return 10; }())"', function() {
assert(
constaninople.isConstant(
'(function () { while (true); return 10; }())',
) === false,
);
});
it('handles "({}).toString.constructor("console.log(1)")()"', function() {
assert(
constaninople.isConstant(
'({}).toString.constructor("console.log(1)")()',
) === false,
);
});
});
describe('toConstant(src)', function() {
it('handles "[5 + 3 + 10]"', function() {
assert.deepEqual(constaninople.toConstant('[5 + 3 + 10]'), [5 + 3 + 10]);
});
it('handles "/[a-z]/i.test(\'a\')"', function() {
assert(constaninople.toConstant("/[a-z]/i.test('a')") === true);
});
it("handles \"{'class': [('data')]}\"", function() {
assert.deepEqual(constaninople.toConstant("{'class': [('data')]}"), {
class: ['data'],
});
});
it('handles "Math.random()"', function() {
try {
constaninople.toConstant('Math.random()');
} catch (ex) {
return;
}
assert(false, 'Math.random() should result in an error');
});
it('handles "Math.random("', function() {
try {
constaninople.toConstant('Math.random(');
} catch (ex) {
return;
}
assert(false, 'Math.random( should result in an error');
});
it('handles "Math.floor(10.5)" with {Math: Math} as constants', function() {
assert(constaninople.toConstant('Math.floor(10.5)', {Math: Math}) === 10);
});
it('handles "(function () { while (true); return 10; }())"', function() {
try {
constaninople.toConstant('(function () { while (true); return 10; }())');
} catch (ex) {
return;
}
assert(
false,
'(function () { while (true); return 10; }()) should result in an error',
);
});
});