108 lines
3.4 KiB
JavaScript
108 lines
3.4 KiB
JavaScript
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var count = (function random(BigNumber) {
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var start = +new Date(),
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dp, error, i, log, m, r,
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passed = 0,
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total = 0;
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if (typeof window === 'undefined') {
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log = console.log;
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error = console.error;
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} else {
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log = function (str) { document.body.innerHTML += str.replace('\n', '<br>') };
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error = function (str) { document.body.innerHTML += '<div style="color: red">' +
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str.replace('\n', '<br>') + '</div>' };
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}
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if (!BigNumber && typeof require === 'function') BigNumber = require('../bignumber');
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function assertException(func, message) {
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var actual;
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total++;
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try {
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func();
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} catch (e) {
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actual = e;
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}
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if (actual && actual.name == 'BigNumber Error') {
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passed++;
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//log('\n Expected and actual: ' + actual);
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} else {
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error('\n Test number: ' + total + ' failed');
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error('\n Expected: ' + message + ' to raise a BigNumber Error.');
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error(' Actual: ' + (actual || 'no exception'));
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//process.exit();
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}
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}
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log('\n Testing random...');
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BigNumber.config({ ERRORS: true, CRYPTO: false });
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for ( i = 0; i < 4994; i++ ) {
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if ( i & 1 ) {
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dp = Math.random() * 100 + 1 | 0;
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BigNumber.config(dp);
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r = BigNumber.random();
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} else {
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dp = Math.random() * 100 | 0;
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r = BigNumber.random(dp);
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}
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//log(dp + '\t' + r.toString());
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// Check that the random number r has a maximum of dp decimal places.
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if ( r.dp() > dp ) {
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m = ' r.dp() > dp';
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// Check 0 <= r < 1
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} else if ( r.lt(0) || r.gte(1) ) {
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m = ' r.lt(0) || r.gte(1)';
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// Check that the attributes of r are formed correctly.
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} else if ( !r.eq( new BigNumber(r) ) || !r.eq( new BigNumber( r.toString() ) ) ) {
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m = ' !r.eq( new BigNumber(r) ) || !r.eq( new BigNumber( r.toString() ) )';
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}
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total++;
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if (m) {
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error('\n Test number: ' + total + ' failed');
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error(m);
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error(' r: ' + r);
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error(' r.c: ' + r.c);
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error(' r.e: ' + r.e);
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error(' r.s: ' + r.s);
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error(' r.dp: ' + r.dp());
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error(' dp: ' + dp);
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m = null;
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} else {
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passed++;
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}
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}
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BigNumber.random(undefined);
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BigNumber.random(null);
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BigNumber.random( new BigNumber(3) );
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BigNumber.random( ' -0e+0 ' );
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assertException(function () { BigNumber.random(Infinity) }, 'Infinity');
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assertException(function () { BigNumber.random('-Infinity') }, "'-Infinity'");
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assertException(function () { BigNumber.random(NaN) }, 'NaN');
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assertException(function () { BigNumber.random('ugh') }, "'ugh'");
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assertException(function () { BigNumber.random(-1) }, "-1");
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assertException(function () { BigNumber.random({}) }, "{}");
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BigNumber.config({ ERRORS: false });
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BigNumber.random(Infinity);
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BigNumber.random('-Infinity');
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BigNumber.random(NaN);
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BigNumber.random('ugh');
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BigNumber.random(-1);
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log('\n ' + passed + ' of ' + total + ' tests passed in ' + (+new Date() - start) + ' ms \n');
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return [passed, total];
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})(this.BigNumber);
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if (typeof module !== 'undefined' && module.exports) module.exports = count;
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