mathsteps
Version:
Step by step math solutions
32 lines (26 loc) • 857 B
JavaScript
const checks = require('../../lib/checks');
const TestUtil = require('../TestUtil');
function testCanCombine(exprStr, canCombine) {
TestUtil.testBooleanFunction(checks.canSimplifyPolynomialTerms, exprStr, canCombine);
}
describe('canSimplifyPolynomialTerms multiplication', function() {
const tests = [
['x^2 * x * x', true],
// false b/c coefficient
['x^2 * 3x * x', false],
['y * y^3', true],
['5 * y^3', false], // just needs flattening
['5/7 * x', false], // just needs flattening
['5/7 * 9 * x', false],
];
tests.forEach(t => testCanCombine(t[0], t[1]));
});
describe('canSimplifyPolynomialTerms addition', function() {
const tests = [
['x + x', true],
['4y^2 + 7y^2 + y^2', true],
['4y^2 + 7y^2 + y^2 + y', false],
['y', false],
];
tests.forEach(t => testCanCombine(t[0], t[1]));
});