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Comparison expressions

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This commit is contained in:
Tim Schaub
2013-06-10 11:52:58 -06:00
parent c4867bafec
commit b2ff793ea1
2 changed files with 202 additions and 0 deletions
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111
test/spec/ol/expression/expression.test.js
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@@ -1,6 +1,115 @@
goog.provide('ol.test.expression.Expression');
describe('ol.expression.Comparison', function() {
describe('constructor', function() {
it('creates a new expression', function() {
var expr = new ol.expression.Comparison(
ol.expression.ComparisonOp.EQ,
new ol.expression.Identifier('foo'),
new ol.expression.Literal(42));
expect(expr).to.be.a(ol.expression.Expression);
expect(expr).to.be.a(ol.expression.Comparison);
});
});
describe('#evaluate()', function() {
it('compares with ==', function() {
var expr = new ol.expression.Comparison(
ol.expression.ComparisonOp.EQ,
new ol.expression.Identifier('foo'),
new ol.expression.Literal(42));
expect(expr.evaluate({foo: 42})).to.be(true);
expect(expr.evaluate({foo: '42'})).to.be(true);
expect(expr.evaluate({foo: true})).to.be(false);
expect(expr.evaluate({bar: true})).to.be(false);
});
it('compares with !=', function() {
var expr = new ol.expression.Comparison(
ol.expression.ComparisonOp.NEQ,
new ol.expression.Identifier('foo'),
new ol.expression.Literal(42));
expect(expr.evaluate({foo: 42})).to.be(false);
expect(expr.evaluate({foo: '42'})).to.be(false);
expect(expr.evaluate({foo: true})).to.be(true);
expect(expr.evaluate({bar: true})).to.be(true);
});
it('compares with ===', function() {
var expr = new ol.expression.Comparison(
ol.expression.ComparisonOp.STRICT_EQ,
new ol.expression.Identifier('foo'),
new ol.expression.Literal(42));
expect(expr.evaluate({foo: 42})).to.be(true);
expect(expr.evaluate({foo: '42'})).to.be(false);
expect(expr.evaluate({foo: true})).to.be(false);
expect(expr.evaluate({bar: true})).to.be(false);
});
it('compares with !==', function() {
var expr = new ol.expression.Comparison(
ol.expression.ComparisonOp.STRICT_NEQ,
new ol.expression.Identifier('foo'),
new ol.expression.Literal(42));
expect(expr.evaluate({foo: 42})).to.be(false);
expect(expr.evaluate({foo: '42'})).to.be(true);
expect(expr.evaluate({foo: true})).to.be(true);
expect(expr.evaluate({bar: true})).to.be(true);
});
it('compares with >', function() {
var expr = new ol.expression.Comparison(
ol.expression.ComparisonOp.GT,
new ol.expression.Identifier('foo'),
new ol.expression.Literal(42));
expect(expr.evaluate({foo: 42})).to.be(false);
expect(expr.evaluate({foo: 41})).to.be(false);
expect(expr.evaluate({foo: 43})).to.be(true);
});
it('compares with <', function() {
var expr = new ol.expression.Comparison(
ol.expression.ComparisonOp.LT,
new ol.expression.Identifier('foo'),
new ol.expression.Literal(42));
expect(expr.evaluate({foo: 42})).to.be(false);
expect(expr.evaluate({foo: 41})).to.be(true);
expect(expr.evaluate({foo: 43})).to.be(false);
});
it('compares with >=', function() {
var expr = new ol.expression.Comparison(
ol.expression.ComparisonOp.GTE,
new ol.expression.Identifier('foo'),
new ol.expression.Literal(42));
expect(expr.evaluate({foo: 42})).to.be(true);
expect(expr.evaluate({foo: 41})).to.be(false);
expect(expr.evaluate({foo: 43})).to.be(true);
});
it('compares with <=', function() {
var expr = new ol.expression.Comparison(
ol.expression.ComparisonOp.LTE,
new ol.expression.Identifier('foo'),
new ol.expression.Literal(42));
expect(expr.evaluate({foo: 42})).to.be(true);
expect(expr.evaluate({foo: 41})).to.be(true);
expect(expr.evaluate({foo: 43})).to.be(false);
});
});
});
describe('ol.expression.Identifier', function() {
describe('constructor', function() {
@@ -119,6 +228,8 @@ describe('ol.expression.Not', function() {
});
goog.require('ol.expression.Comparison');
goog.require('ol.expression.ComparisonOp');
goog.require('ol.expression.Expression');
goog.require('ol.expression.Identifier');
goog.require('ol.expression.Literal');