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test.js
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test.js
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var map = require('./');
var test = require('gap');
test('map', function*(t){
var source = (function twice(str){
var i = 0;
return function*(end){
if (end) return;
if (++i <3) return str;
}
})('bar');
var read = map(source, function* chars(str){
return function*(end){
if (end) return;
var first = str[0];
str = str.slice(1);
return first;
}
});
t.equal('b', yield read());
t.equal('a', yield read());
t.equal('r', yield read());
t.equal('b', yield read());
t.equal('a', yield read());
t.equal('r', yield read());
t.notOk(yield read());
});
test('abort', function*(t){
var sourceEnded = false;
var source = (function twice(str){
var i = 0;
return function*(end){
if (end) return sourceEnded = true;
if (++i <3) return str;
}
})('bar');
var subEnded = false;
var read = map(source, function* chars(str){
return function*(end){
if (end) return subEnded = true;
var first = str[0];
str = str.slice(1);
return first;
}
});
t.equal('b', yield read());
t.notOk(yield read(true));
t.ok(sourceEnded);
t.ok(subEnded);
});
test('fn normal function', function*(t){
var source = (function twice(str){
var i = 0;
return function*(end){
if (end) return;
if (++i <3) return str;
}
})('bar');
var read = map(source, function chars(str){
return function*(end){
if (end) return;
var first = str[0];
str = str.slice(1);
return first;
}
});
t.equal('b', yield read());
t.equal('a', yield read());
t.equal('r', yield read());
t.equal('b', yield read());
t.equal('a', yield read());
t.equal('r', yield read());
t.notOk(yield read());
});