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46 lines
1.8 KiB
46 lines
1.8 KiB
10 years ago
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var assert = require('assert');
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var tree = require('../lib/carto/tree.js');
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require('../lib/carto/tree/operation');
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require('../lib/carto/tree/dimension');
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require('../lib/carto/tree/color');
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require('../lib/carto/tree/field');
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require('../lib/carto/tree/literal');
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require('../lib/carto/tree/quoted');
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describe('Operation', function() {
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it('should work with percent', function() {
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var env = { ppi:72, error:function(err) { console.log(err.message); } };
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var o = new tree.Operation("+", [ new tree.Dimension(2), new tree.Dimension(10, "%") ]);
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assert.equal(o.ev(env).value, 2.2);
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});
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it('should work with units', function() {
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var env = { ppi:72, error:function(err) { console.log(err.message); } };
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var o = new tree.Operation("+", [ new tree.Dimension(2.54, 'cm'), new tree.Dimension(0.0254, 'm') ]);
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assert.equal(o.ev(env).value, 144);
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var o = new tree.Operation("+", [ new tree.Dimension(25.4, 'mm'), new tree.Dimension(72, 'pt') ]);
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assert.equal(o.ev(env).value, 144);
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var o = new tree.Operation("+", [ new tree.Dimension(72, 'pt'), new tree.Dimension(6, 'pc') ]);
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assert.equal(o.ev(env).value, 144);
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});
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it('should work with different ppi', function() {
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var env = { ppi:300, error:function(err) { console.log(err.message); } };
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var o = new tree.Operation("+", [ new tree.Dimension(2.54, 'cm'), new tree.Dimension(0.0254, 'm') ]);
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assert.equal(o.ev(env).value, 600);
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var o = new tree.Operation("+", [ new tree.Dimension(25.4, 'mm'), new tree.Dimension(72, 'pt') ]);
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assert.equal(o.ev(env).value, 600);
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var o = new tree.Operation("+", [ new tree.Dimension(72, 'pt'), new tree.Dimension(6, 'pc') ]);
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assert.equal(o.ev(env).value, 600);
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});
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});
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