114 lines
3.1 KiB
JavaScript
114 lines
3.1 KiB
JavaScript
var sqlite3 = require('..');
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var assert = require('assert');
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describe('unicode', function() {
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var first_values = [],
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trailing_values = [],
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chars = [],
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subranges = new Array(2),
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len = subranges.length,
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db,
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i;
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before(function(done) { db = new sqlite3.Database(':memory:', done); });
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for (i = 0x20; i < 0x80; i++) {
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first_values.push(i);
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}
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for (i = 0xc2; i < 0xf0; i++) {
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first_values.push(i);
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}
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for (i = 0x80; i < 0xc0; i++) {
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trailing_values.push(i);
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}
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for (i = 0; i < len; i++) {
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subranges[i] = [];
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}
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for (i = 0xa0; i < 0xc0; i++) {
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subranges[0].push(i);
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}
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for (i = 0x80; i < 0xa0; i++) {
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subranges[1].push(i);
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}
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function random_choice(arr) {
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return arr[Math.random() * arr.length | 0];
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}
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function random_utf8() {
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var first = random_choice(first_values);
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if (first < 0x80) {
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return String.fromCharCode(first);
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} else if (first < 0xe0) {
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return String.fromCharCode((first & 0x1f) << 0x6 | random_choice(trailing_values) & 0x3f);
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} else if (first == 0xe0) {
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return String.fromCharCode(((first & 0xf) << 0xc) | ((random_choice(subranges[0]) & 0x3f) << 6) | random_choice(trailing_values) & 0x3f);
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} else if (first == 0xed) {
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return String.fromCharCode(((first & 0xf) << 0xc) | ((random_choice(subranges[1]) & 0x3f) << 6) | random_choice(trailing_values) & 0x3f);
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} else if (first < 0xf0) {
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return String.fromCharCode(((first & 0xf) << 0xc) | ((random_choice(trailing_values) & 0x3f) << 6) | random_choice(trailing_values) & 0x3f);
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}
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}
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function randomString() {
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var str = '',
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i;
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for (i = Math.random() * 300; i > 0; i--) {
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str += random_utf8();
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}
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return str;
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}
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// Generate random data.
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var data = [];
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var length = Math.floor(Math.random() * 1000) + 200;
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for (var i = 0; i < length; i++) {
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data.push(randomString());
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}
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var inserted = 0;
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var retrieved = 0;
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it('should create the table', function(done) {
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db.run("CREATE TABLE foo (id int, txt text)", done);
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});
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it('should insert all values', function(done) {
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var stmt = db.prepare("INSERT INTO foo VALUES(?, ?)");
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for (var i = 0; i < data.length; i++) {
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stmt.run(i, data[i], function(err) {
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if (err) throw err;
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inserted++;
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});
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}
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stmt.finalize(done);
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});
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it('should retrieve all values', function(done) {
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db.all("SELECT txt FROM foo ORDER BY id", function(err, rows) {
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if (err) throw err;
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for (var i = 0; i < rows.length; i++) {
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assert.equal(rows[i].txt, data[i]);
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retrieved++;
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}
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done();
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});
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});
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it('should have inserted and retrieved the correct amount', function() {
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assert.equal(inserted, length);
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assert.equal(retrieved, length);
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});
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after(function(done) { db.close(done); });
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});
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