0.4.6 is on the books, with kylichuku's range function

This commit is contained in:
Jeremy Ashkenas
2009-11-30 23:20:11 -05:00
parent 64cac959a5
commit 4b2744a75a
7 changed files with 81 additions and 50 deletions

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@@ -86,4 +86,15 @@ $(document).ready(function() {
equals(result, 5, 'works on an arguments object');
});
test("arrays: range", function() {
equals(_.range(0).join(''), '', 'range with 0 as a first argument generates an empty array');
equals(_.range(4).join(' '), '0 1 2 3', 'range with a single positive argument generates an array of elements 0,1,2,...,n-1');
equals(_.range(5, 8).join(' '), '5 6 7', 'range with two arguments a & b, a<b generates an array of elements a,a+1,a+2,...,b-2,b-1');
equals(_.range(8, 5).join(''), '', 'range with two arguments a & b, b<a generates an empty array');
equals(_.range(3, 10, 3).join(' '), '3 6 9', 'range with three arguments a & b & c, c < b-a, a < b generates an array of elements a,a+c,a+2c,...,b - (multiplier of a) < c');
equals(_.range(3, 10, 15).join(''), '3', 'range with three arguments a & b & c, c > b-a, a < b generates an array with a single element, equal to a');
equals(_.range(12, 7, -2).join(' '), '12 10 8', 'range with three arguments a & b & c, a > b, c < 0 generates an array of elements a,a-c,a-2c and ends with the number not less than b');
equals(_.range(0, -10, -1).join(' '), '0 -1 -2 -3 -4 -5 -6 -7 -8 -9', 'final example in the Python docs');
});
});

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@@ -1,15 +0,0 @@
$(document).ready(function() {
module("Generator functions (range...)");
test("generators: range", function() {
equals(_.range(0).join(''), '', 'range with 0 as a first argument generates an empty array');
equals(_.range(4).join(' '), '0 1 2 3', 'range with a single positive argument generates an array of elements 0,1,2,...,n-1');
equals(_.range(5, 8).join(' '), '5 6 7', 'range with two arguments a & b, a<b generates an array of elements a,a+1,a+2,...,b-2,b-1');
equals(_.range(8, 5).join(''), '', 'range with two arguments a & b, b<a generates an empty array');
equals(_.range(3, 10, 3).join(' '), '3 6 9', 'range with three arguments a & b & c, c < b-a, a < b generates an array of elements a,a+c,a+2c,...,b - (multiplier of a) < c');
equals(_.range(3, 10, 15).join(''), '3', 'range with three arguments a & b & c, c > b-a, a < b generates an array with a single element, equal to a');
equals(_.range(12, 7, -2).join(' '), '12 10 8', 'range with three arguments a & b & c, a > b, c < 0 generates an array of elements a,a-c,a-2c and ends with the number not less than b');
});
});

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@@ -63,4 +63,8 @@
return _.intersect(numbers, randomized);
});
JSLitmus.test('_.range()', function() {
return _.range(1000);
});
})();

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@@ -7,7 +7,6 @@
<script type="text/javascript" src="vendor/qunit.js"></script>
<script type="text/javascript" src="vendor/jslitmus.js"></script>
<script type="text/javascript" src="../underscore.js"></script>
<script type="text/javascript" src="generators.js"></script>
<script type="text/javascript" src="collections.js"></script>
<script type="text/javascript" src="arrays.js"></script>
<script type="text/javascript" src="functions.js"></script>