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<!DOCTYPE html>
<html>
<!--
Copyright 2008 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.string.format</title>
<script src="../base.js"></script>
<script>
goog.require('goog.testing.jsunit');
goog.require('goog.string.format');
</script>
</head>
<body>
<script>
// The discussion on naming this functionality is going on.
var f = goog.string.format;
function testImmediateFormatSpecifier() {
assertEquals('Empty String', '', f(''));
assertEquals('Immediate Value', 'Immediate Value', f('Immediate Value'));
}
function testPercentSign() {
assertEquals('%', '%', f('%'));
assertEquals('%%', '%', f('%%'));
assertEquals('%%%', '%%', f('%%%'));
assertEquals('%%%%', '%%', f('%%%%'));
assertEquals('width of the percent sign ???', '%%', f('%345%%-67.987%'));
}
function testStringConversionSpecifier() {
assertEquals('%s', 'abc', f('%s', 'abc'));
assertEquals('%2s', 'abc', f('%2s', 'abc'));
assertEquals('%6s', ' abc', f('%6s', 'abc'));
assertEquals('%-6s', 'abc ', f('%-6s', 'abc'));
}
function testFloatConversionSpecifier() {
assertEquals('%f', '123', f('%f', 123));
assertEquals('%f', '0.1', f('%f', 0.1));
assertEquals('%f', '123.456', f('%f', 123.456));
// Precisions, paddings and other flags are handled on a flag to flag basis.
}
function testAliasedConversionSpecifiers() {
assertEquals('%i vs. %d', f('%i', 123), f('%d', 123));
assertEquals('%u vs. %d', f('%u', 123), f('%d', 123));
}
function testIntegerConversion() {
assertEquals('%d', '0', f('%d', 0));
assertEquals('%d', '123', f('%d', 123));
assertEquals('%d', '0', f('%d', 0.1));
assertEquals('%d', '0', f('%d', 0.9));
assertEquals('%d', '123', f('%d', 123.456));
assertEquals('%d', '-1', f('%d', -1));
assertEquals('%d', '0', f('%d', -0.1));
assertEquals('%d', '0', f('%d', -0.9));
assertEquals('%d', '-123', f('%d', -123.456));
// Precisions, paddings and other flags are handled on a flag to flag basis.
}
function testSpaceFlag() {
assertEquals('zero %+d ', ' 0', f('% d', 0));
assertEquals('positive % d ', ' 123', f('% d', 123));
assertEquals('negative % d ', '-123', f('% d', -123));
assertEquals('positive % 3d', ' 123', f('% 3d', 123));
assertEquals('negative % 3d', '-123', f('% 3d', -123));
assertEquals('positive % 4d', ' 123', f('% 4d', 123));
assertEquals('negative % 4d', '-123', f('% 4d', -123));
assertEquals('positive % 6d', ' 123', f('% 6d', 123));
assertEquals('negative % 6d', '- 123', f('% 6d', -123));
assertEquals('positive % f ', ' 123.456', f('% f', 123.456));
assertEquals('negative % f ', '-123.456', f('% f', -123.456));
assertEquals('positive % .2f ', ' 123.46', f('% .2f', 123.456));
assertEquals('negative % .2f ', '-123.46', f('% .2f', -123.456));
assertEquals('positive % 6.2f', ' 123.46', f('% 6.2f', 123.456));
assertEquals('negative % 6.2f', '-123.46', f('% 6.2f', -123.456));
assertEquals('positive % 7.2f', ' 123.46', f('% 7.2f', 123.456));
assertEquals('negative % 7.2f', '-123.46', f('% 7.2f', -123.456));
assertEquals('positive % 10.2f', ' 123.46', f('% 10.2f', 123.456));
assertEquals('negative % 10.2f', '- 123.46', f('% 10.2f', -123.456));
assertEquals('string % s ', 'abc', f('% s', 'abc'));
assertEquals('string % 3s', 'abc', f('% 3s', 'abc'));
assertEquals('string % 4s', ' abc', f('% 4s', 'abc'));
assertEquals('string % 6s', ' abc', f('% 6s', 'abc'));
}
function testPlusFlag() {
assertEquals('zero %+d ', '+0', f('%+d', 0));
assertEquals('positive %+d ', '+123', f('%+d', 123));
assertEquals('negative %+d ', '-123', f('%+d', -123));
assertEquals('positive %+3d', '+123', f('%+3d', 123));
assertEquals('negative %+3d', '-123', f('%+3d', -123));
assertEquals('positive %+4d', '+123', f('%+4d', 123));
assertEquals('negative %+4d', '-123', f('%+4d', -123));
assertEquals('positive %+6d', '+ 123', f('%+6d', 123));
assertEquals('negative %+6d', '- 123', f('%+6d', -123));
assertEquals('positive %+f ', '+123.456', f('%+f', 123.456));
assertEquals('negative %+f ', '-123.456', f('%+f', -123.456));
assertEquals('positive %+.2f ', '+123.46', f('%+.2f', 123.456));
assertEquals('negative %+.2f ', '-123.46', f('%+.2f', -123.456));
assertEquals('positive %+6.2f', '+123.46', f('%+6.2f', 123.456));
assertEquals('negative %+6.2f', '-123.46', f('%+6.2f', -123.456));
assertEquals('positive %+7.2f', '+123.46', f('%+7.2f', 123.456));
assertEquals('negative %+7.2f', '-123.46', f('%+7.2f', -123.456));
assertEquals('positive %+10.2f', '+ 123.46', f('%+10.2f', 123.456));
assertEquals('negative %+10.2f', '- 123.46', f('%+10.2f', -123.456));
assertEquals('string %+s ', 'abc', f('%+s', 'abc'));
assertEquals('string %+3s', 'abc', f('%+3s', 'abc'));
assertEquals('string %+4s', ' abc', f('%+4s', 'abc'));
assertEquals('string %+6s', ' abc', f('%+6s', 'abc'));
}
function testPrecision() {
assertEquals('%.5d', '0', f('%.5d', 0));
assertEquals('%d', '123', f('%d', 123.456));
assertEquals('%.2d', '123', f('%.2d', 123.456));
assertEquals('%f', '123.456', f('%f', 123.456));
assertEquals('%.2f', '123.46', f('%.2f', 123.456));
assertEquals('%.3f', '123.456', f('%.3f', 123.456));
assertEquals('%.6f', '123.456000', f('%.6f', 123.456));
assertEquals('%1.2f', '123.46', f('%1.2f', 123.456));
assertEquals('%7.2f', ' 123.46', f('%7.2f', 123.456));
assertEquals('%5.6f', '123.456000', f('%5.6f', 123.456));
assertEquals('%11.6f', ' 123.456000', f('%11.6f', 123.456));
assertEquals('%07.2f', '0123.46', f('%07.2f', 123.456));
assertEquals('%+7.2f', '+123.46', f('%+7.2f', 123.456));
}
function testZeroFlag() {
assertEquals('%0s', 'abc', f('%0s', 'abc'));
assertEquals('%02s', 'abc', f('%02s', 'abc'));
assertEquals('%06s', ' abc', f('%06s', 'abc'));
assertEquals('%0d', '123', f('%0d', 123));
assertEquals('%0d', '-123', f('%0d', -123));
assertEquals('%06d', '000123', f('%06d', 123));
assertEquals('%06d', '-00123', f('%06d', -123));
assertEquals('%010d', '0000000123', f('%010d', 123));
assertEquals('%010d', '-000000123', f('%010d', -123));
}
function testFlagMinus() {
assertEquals('%-s', 'abc', f('%-s', 'abc'));
assertEquals('%-2s', 'abc', f('%-2s', 'abc'));
assertEquals('%-6s', 'abc ', f('%-6s', 'abc'));
assertEquals('%-d', '123', f('%-d', 123));
assertEquals('%-d', '-123', f('%-d', -123));
assertEquals('%-2d', '123', f('%-2d', 123));
assertEquals('%-2d', '-123', f('%-2d', -123));
assertEquals('%-4d', '123 ', f('%-4d', 123));
assertEquals('%-4d', '-123', f('%-4d', -123));
assertEquals('%-d', '123', f('%-0d', 123));
assertEquals('%-d', '-123', f('%-0d', -123));
assertEquals('%-4d', '123 ', f('%-04d', 123));
assertEquals('%-4d', '-123', f('%-04d', -123));
}
function testExceptions() {
var e = assertThrows(goog.partial(f, '%f%f', 123.456));
assertEquals('[goog.string.format] Not enough arguments', e.message);
e = assertThrows(f);
assertEquals('[goog.string.format] Template required', e.message);
}
function testNonParticipatingGroupHandling() {
// Firefox supplies empty string instead of undefined for non-participating
// capture groups. This can trigger bad behavior if a demuxer only checks
// isNaN(val) and not also val == ''. Check for regressions.
var format = '%s %d %i %u';
var expected = '1 2 3 4';
// Good types
assertEquals(expected, goog.string.format(format, 1, '2', '3', '4'));
// Bad types
assertEquals(expected, goog.string.format(format, '1', 2, 3, 4));
}
</script>
</body>
</html>
|
