// requires local modules: input, keyboard, keysymdef
var assert = chai.assert;
var expect = chai.expect;
/* jshint newcap: false, expr: true */
describe('Key Event Pipeline Stages', function() {
"use strict";
describe('Decode Keyboard Events', function() {
it('should pass events to the next stage', function(done) {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.be.an.object;
done();
}).keydown({keyCode: 0x41});
});
it('should pass the right keysym through', function(done) {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt.keysym).to.be.deep.equal(keysyms.lookup(0x61));
done();
}).keypress({keyCode: 0x41});
});
it('should pass the right keyid through', function(done) {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.have.property('keyId', 0x41);
done();
}).keydown({keyCode: 0x41});
});
it('should not sync modifiers on a keypress', function() {
// Firefox provides unreliable modifier state on keypress events
var count = 0;
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
++count;
}).keypress({keyCode: 0x41, ctrlKey: true});
expect(count).to.be.equal(1);
});
it('should sync modifiers if necessary', function(done) {
var count = 0;
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
switch (count) {
case 0: // fake a ctrl keydown
expect(evt).to.be.deep.equal({keysym: keysyms.lookup(0xffe3), type: 'keydown'});
++count;
break;
case 1:
expect(evt).to.be.deep.equal({keyId: 0x41, type: 'keydown', keysym: keysyms.lookup(0x61)});
done();
break;
}
}).keydown({keyCode: 0x41, ctrlKey: true});
});
it('should forward keydown events with the right type', function(done) {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.be.deep.equal({keyId: 0x41, type: 'keydown'});
done();
}).keydown({keyCode: 0x41});
});
it('should forward keyup events with the right type', function(done) {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.be.deep.equal({keyId: 0x41, keysym: keysyms.lookup(0x61), type: 'keyup'});
done();
}).keyup({keyCode: 0x41});
});
it('should forward keypress events with the right type', function(done) {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.be.deep.equal({keyId: 0x41, keysym: keysyms.lookup(0x61), type: 'keypress'});
done();
}).keypress({keyCode: 0x41});
});
it('should generate stalls if a char modifier is down while a key is pressed', function(done) {
var count = 0;
KeyEventDecoder(kbdUtil.ModifierSync([0xfe03]), function(evt) {
switch (count) {
case 0: // fake altgr
expect(evt).to.be.deep.equal({keysym: keysyms.lookup(0xfe03), type: 'keydown'});
++count;
break;
case 1: // stall before processing the 'a' keydown
expect(evt).to.be.deep.equal({type: 'stall'});
++count;
break;
case 2: // 'a'
expect(evt).to.be.deep.equal({
type: 'keydown',
keyId: 0x41,
keysym: keysyms.lookup(0x61)
});
done();
break;
}
}).keydown({keyCode: 0x41, altGraphKey: true});
});
describe('suppress the right events at the right time', function() {
it('should suppress anything while a shortcut modifier is down', function() {
var obj = KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {});
obj.keydown({keyCode: 0x11}); // press ctrl
expect(obj.keydown({keyCode: 'A'.charCodeAt()})).to.be.true;
expect(obj.keydown({keyCode: ' '.charCodeAt()})).to.be.true;
expect(obj.keydown({keyCode: '1'.charCodeAt()})).to.be.true;
expect(obj.keydown({keyCode: 0x3c})).to.be.true; // < key on DK Windows
expect(obj.keydown({keyCode: 0xde})).to.be.true; // Ø key on DK
});
it('should suppress non-character keys', function() {
var obj = KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {});
expect(obj.keydown({keyCode: 0x08}), 'a').to.be.true;
expect(obj.keydown({keyCode: 0x09}), 'b').to.be.true;
expect(obj.keydown({keyCode: 0x11}), 'd').to.be.true;
expect(obj.keydown({keyCode: 0x12}), 'e').to.be.true;
});
it('should not suppress shift', function() {
var obj = KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {});
expect(obj.keydown({keyCode: 0x10}), 'd').to.be.false;
});
it('should generate event for shift keydown', function() {
var called = false;
var obj = KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.have.property('keysym');
called = true;
}).keydown({keyCode: 0x10});
expect(called).to.be.true;
});
it('should not suppress character keys', function() {
var obj = KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {});
expect(obj.keydown({keyCode: 'A'.charCodeAt()})).to.be.false;
expect(obj.keydown({keyCode: ' '.charCodeAt()})).to.be.false;
expect(obj.keydown({keyCode: '1'.charCodeAt()})).to.be.false;
expect(obj.keydown({keyCode: 0x3c})).to.be.false; // < key on DK Windows
expect(obj.keydown({keyCode: 0xde})).to.be.false; // Ø key on DK
});
it('should not suppress if a char modifier is down', function() {
var obj = KeyEventDecoder(kbdUtil.ModifierSync([0xfe03]), function(evt) {});
obj.keydown({keyCode: 0xe1}); // press altgr
expect(obj.keydown({keyCode: 'A'.charCodeAt()})).to.be.false;
expect(obj.keydown({keyCode: ' '.charCodeAt()})).to.be.false;
expect(obj.keydown({keyCode: '1'.charCodeAt()})).to.be.false;
expect(obj.keydown({keyCode: 0x3c})).to.be.false; // < key on DK Windows
expect(obj.keydown({keyCode: 0xde})).to.be.false; // Ø key on DK
});
});
describe('Keypress and keyup events', function() {
it('should always suppress event propagation', function() {
var obj = KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {});
expect(obj.keypress({keyCode: 'A'.charCodeAt()})).to.be.true;
expect(obj.keypress({keyCode: 0x3c})).to.be.true; // < key on DK Windows
expect(obj.keypress({keyCode: 0x11})).to.be.true;
expect(obj.keyup({keyCode: 'A'.charCodeAt()})).to.be.true;
expect(obj.keyup({keyCode: 0x3c})).to.be.true; // < key on DK Windows
expect(obj.keyup({keyCode: 0x11})).to.be.true;
});
it('should never generate stalls', function() {
var obj = KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt.type).to.not.be.equal('stall');
});
obj.keypress({keyCode: 'A'.charCodeAt()});
obj.keypress({keyCode: 0x3c});
obj.keypress({keyCode: 0x11});
obj.keyup({keyCode: 'A'.charCodeAt()});
obj.keyup({keyCode: 0x3c});
obj.keyup({keyCode: 0x11});
});
});
describe('mark events if a char modifier is down', function() {
it('should not mark modifiers on a keydown event', function() {
var times_called = 0;
var obj = KeyEventDecoder(kbdUtil.ModifierSync([0xfe03]), function(evt) {
switch (times_called++) {
case 0: //altgr
break;
case 1: // 'a'
expect(evt).to.not.have.property('escape');
break;
}
});
obj.keydown({keyCode: 0xe1}); // press altgr
obj.keydown({keyCode: 'A'.charCodeAt()});
});
it('should indicate on events if a single-key char modifier is down', function(done) {
var times_called = 0;
var obj = KeyEventDecoder(kbdUtil.ModifierSync([0xfe03]), function(evt) {
switch (times_called++) {
case 0: //altgr
break;
case 1: // 'a'
expect(evt).to.be.deep.equal({
type: 'keypress',
keyId: 'A'.charCodeAt(),
keysym: keysyms.lookup('a'.charCodeAt()),
escape: [0xfe03]
});
done();
return;
}
});
obj.keydown({keyCode: 0xe1}); // press altgr
obj.keypress({keyCode: 'A'.charCodeAt()});
});
it('should indicate on events if a multi-key char modifier is down', function(done) {
var times_called = 0;
var obj = KeyEventDecoder(kbdUtil.ModifierSync([0xffe9, 0xffe3]), function(evt) {
switch (times_called++) {
case 0: //ctrl
break;
case 1: //alt
break;
case 2: // 'a'
expect(evt).to.be.deep.equal({
type: 'keypress',
keyId: 'A'.charCodeAt(),
keysym: keysyms.lookup('a'.charCodeAt()),
escape: [0xffe9, 0xffe3]
});
done();
return;
}
});
obj.keydown({keyCode: 0x11}); // press ctrl
obj.keydown({keyCode: 0x12}); // press alt
obj.keypress({keyCode: 'A'.charCodeAt()});
});
it('should not consider a char modifier to be down on the modifier key itself', function() {
var obj = KeyEventDecoder(kbdUtil.ModifierSync([0xfe03]), function(evt) {
expect(evt).to.not.have.property('escape');
});
obj.keydown({keyCode: 0xe1}); // press altgr
});
});
describe('add/remove keysym', function() {
it('should remove keysym from keydown if a char key and no modifier', function() {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.be.deep.equal({keyId: 0x41, type: 'keydown'});
}).keydown({keyCode: 0x41});
});
it('should not remove keysym from keydown if a shortcut modifier is down', function() {
var times_called = 0;
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
switch (times_called++) {
case 1:
expect(evt).to.be.deep.equal({keyId: 0x41, keysym: keysyms.lookup(0x61), type: 'keydown'});
break;
}
}).keydown({keyCode: 0x41, ctrlKey: true});
expect(times_called).to.be.equal(2);
});
it('should not remove keysym from keydown if a char modifier is down', function() {
var times_called = 0;
KeyEventDecoder(kbdUtil.ModifierSync([0xfe03]), function(evt) {
switch (times_called++) {
case 2:
expect(evt).to.be.deep.equal({keyId: 0x41, keysym: keysyms.lookup(0x61), type: 'keydown'});
break;
}
}).keydown({keyCode: 0x41, altGraphKey: true});
expect(times_called).to.be.equal(3);
});
it('should not remove keysym from keydown if key is noncharacter', function() {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt, 'bacobjpace').to.be.deep.equal({keyId: 0x09, keysym: keysyms.lookup(0xff09), type: 'keydown'});
}).keydown({keyCode: 0x09});
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt, 'ctrl').to.be.deep.equal({keyId: 0x11, keysym: keysyms.lookup(0xffe3), type: 'keydown'});
}).keydown({keyCode: 0x11});
});
it('should never remove keysym from keypress', function() {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.be.deep.equal({keyId: 0x41, keysym: keysyms.lookup(0x61), type: 'keypress'});
}).keypress({keyCode: 0x41});
});
it('should never remove keysym from keyup', function() {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.be.deep.equal({keyId: 0x41, keysym: keysyms.lookup(0x61), type: 'keyup'});
}).keyup({keyCode: 0x41});
});
});
// on keypress, keyup(?), always set keysym
// on keydown, only do it if we don't expect a keypress: if noncharacter OR modifier is down
});
describe('Verify that char modifiers are active', function() {
it('should pass keydown events through if there is no stall', function(done) {
var obj = VerifyCharModifier(function(evt){
expect(evt).to.deep.equal({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x41)});
done();
})({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x41)});
});
it('should pass keyup events through if there is no stall', function(done) {
var obj = VerifyCharModifier(function(evt){
expect(evt).to.deep.equal({type: 'keyup', keyId: 0x41, keysym: keysyms.lookup(0x41)});
done();
})({type: 'keyup', keyId: 0x41, keysym: keysyms.lookup(0x41)});
});
it('should pass keypress events through if there is no stall', function(done) {
var obj = VerifyCharModifier(function(evt){
expect(evt).to.deep.equal({type: 'keypress', keyId: 0x41, keysym: keysyms.lookup(0x41)});
done();
})({type: 'keypress', keyId: 0x41, keysym: keysyms.lookup(0x41)});
});
it('should not pass stall events through', function(done){
var obj = VerifyCharModifier(function(evt){
// should only be called once, for the keydown
expect(evt).to.deep.equal({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x41)});
done();
});
obj({type: 'stall'});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x41)});
});
it('should merge keydown and keypress events if they come after a stall', function(done) {
var next_called = false;
var obj = VerifyCharModifier(function(evt){
// should only be called once, for the keydown
expect(next_called).to.be.false;
next_called = true;
expect(evt).to.deep.equal({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x44)});
done();
});
obj({type: 'stall'});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
obj({type: 'keypress', keyId: 0x43, keysym: keysyms.lookup(0x44)});
expect(next_called).to.be.false;
});
it('should preserve modifier attribute when merging if keysyms differ', function(done) {
var next_called = false;
var obj = VerifyCharModifier(function(evt){
// should only be called once, for the keydown
expect(next_called).to.be.false;
next_called = true;
expect(evt).to.deep.equal({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x44), escape: [0xffe3]});
done();
});
obj({type: 'stall'});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
obj({type: 'keypress', keyId: 0x43, keysym: keysyms.lookup(0x44), escape: [0xffe3]});
expect(next_called).to.be.false;
});
it('should not preserve modifier attribute when merging if keysyms are the same', function() {
var obj = VerifyCharModifier(function(evt){
expect(evt).to.not.have.property('escape');
});
obj({type: 'stall'});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
obj({type: 'keypress', keyId: 0x43, keysym: keysyms.lookup(0x42), escape: [0xffe3]});
});
it('should not merge keydown and keypress events if there is no stall', function(done) {
var times_called = 0;
var obj = VerifyCharModifier(function(evt){
switch(times_called) {
case 0:
expect(evt).to.deep.equal({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
break;
case 1:
expect(evt).to.deep.equal({type: 'keypress', keyId: 0x43, keysym: keysyms.lookup(0x44)});
done();
break;
}
++times_called;
});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
obj({type: 'keypress', keyId: 0x43, keysym: keysyms.lookup(0x44)});
});
it('should not merge keydown and keypress events if separated by another event', function(done) {
var times_called = 0;
var obj = VerifyCharModifier(function(evt){
switch(times_called) {
case 0:
expect(evt,1).to.deep.equal({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
break;
case 1:
expect(evt,2).to.deep.equal({type: 'keyup', keyId: 0x43, keysym: keysyms.lookup(0x44)});
break;
case 2:
expect(evt,3).to.deep.equal({type: 'keypress', keyId: 0x45, keysym: keysyms.lookup(0x46)});
done();
break;
}
++times_called;
});
obj({type: 'stall'});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
obj({type: 'keyup', keyId: 0x43, keysym: keysyms.lookup(0x44)});
obj({type: 'keypress', keyId: 0x45, keysym: keysyms.lookup(0x46)});
});
});
describe('Track Key State', function() {
it('should do nothing on keyup events if no keys are down', function() {
var obj = TrackKeyState(function(evt) {
expect(true).to.be.false;
});
obj({type: 'keyup', keyId: 0x41});
});
it('should insert into the queue on keydown if no keys are down', function() {
var times_called = 0;
var elem = null;
var keysymsdown = {};
var obj = TrackKeyState(function(evt) {
++times_called;
if (elem.type == 'keyup') {
expect(evt).to.have.property('keysym');
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
delete keysymsdown[evt.keysym.keysym];
}
else {
expect(evt).to.be.deep.equal(elem);
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
}
elem = null;
});
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keyup', keyId: 0x41};
obj(elem);
expect(elem).to.be.null;
expect(times_called).to.be.equal(2);
});
it('should insert into the queue on keypress if no keys are down', function() {
var times_called = 0;
var elem = null;
var keysymsdown = {};
var obj = TrackKeyState(function(evt) {
++times_called;
if (elem.type == 'keyup') {
expect(evt).to.have.property('keysym');
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
delete keysymsdown[evt.keysym.keysym];
}
else {
expect(evt).to.be.deep.equal(elem);
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
}
elem = null;
});
expect(elem).to.be.null;
elem = {type: 'keypress', keyId: 0x41, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keyup', keyId: 0x41};
obj(elem);
expect(elem).to.be.null;
expect(times_called).to.be.equal(2);
});
it('should add keysym to last key entry if keyId matches', function() {
// this implies that a single keyup will release both keysyms
var times_called = 0;
var elem = null;
var keysymsdown = {};
var obj = TrackKeyState(function(evt) {
++times_called;
if (elem.type == 'keyup') {
expect(evt).to.have.property('keysym');
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
delete keysymsdown[evt.keysym.keysym];
}
else {
expect(evt).to.be.deep.equal(elem);
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
elem = null;
}
});
expect(elem).to.be.null;
elem = {type: 'keypress', keyId: 0x41, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keypress', keyId: 0x41, keysym: keysyms.lookup(0x43)};
keysymsdown[keysyms.lookup(0x43).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keyup', keyId: 0x41};
obj(elem);
expect(times_called).to.be.equal(4);
});
it('should create new key entry if keyId matches and keysym does not', function() {
// this implies that a single keyup will release both keysyms
var times_called = 0;
var elem = null;
var keysymsdown = {};
var obj = TrackKeyState(function(evt) {
++times_called;
if (elem.type == 'keyup') {
expect(evt).to.have.property('keysym');
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
delete keysymsdown[evt.keysym.keysym];
}
else {
expect(evt).to.be.deep.equal(elem);
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
elem = null;
}
});
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0, keysym: keysyms.lookup(0x43)};
keysymsdown[keysyms.lookup(0x43).keysym] = true;
obj(elem);
expect(times_called).to.be.equal(2);
expect(elem).to.be.null;
elem = {type: 'keyup', keyId: 0};
obj(elem);
expect(times_called).to.be.equal(3);
elem = {type: 'keyup', keyId: 0};
obj(elem);
expect(times_called).to.be.equal(4);
});
it('should merge key entry if keyIds are zero and keysyms match', function() {
// this implies that a single keyup will release both keysyms
var times_called = 0;
var elem = null;
var keysymsdown = {};
var obj = TrackKeyState(function(evt) {
++times_called;
if (elem.type == 'keyup') {
expect(evt).to.have.property('keysym');
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
delete keysymsdown[evt.keysym.keysym];
}
else {
expect(evt).to.be.deep.equal(elem);
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
elem = null;
}
});
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(times_called).to.be.equal(2);
expect(elem).to.be.null;
elem = {type: 'keyup', keyId: 0};
obj(elem);
expect(times_called).to.be.equal(3);
});
it('should add keysym as separate entry if keyId does not match last event', function() {
// this implies that separate keyups are required
var times_called = 0;
var elem = null;
var keysymsdown = {};
var obj = TrackKeyState(function(evt) {
++times_called;
if (elem.type == 'keyup') {
expect(evt).to.have.property('keysym');
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
delete keysymsdown[evt.keysym.keysym];
}
else {
expect(evt).to.be.deep.equal(elem);
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
elem = null;
}
});
expect(elem).to.be.null;
elem = {type: 'keypress', keyId: 0x41, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keypress', keyId: 0x42, keysym: keysyms.lookup(0x43)};
keysymsdown[keysyms.lookup(0x43).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keyup', keyId: 0x41};
obj(elem);
expect(times_called).to.be.equal(4);
elem = {type: 'keyup', keyId: 0x42};
obj(elem);
expect(times_called).to.be.equal(4);
});
it('should add keysym as separate entry if keyId does not match last event and first is zero', function() {
// this implies that separate keyups are required
var times_called = 0;
var elem = null;
var keysymsdown = {};
var obj = TrackKeyState(function(evt) {
++times_called;
if (elem.type == 'keyup') {
expect(evt).to.have.property('keysym');
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
delete keysymsdown[evt.keysym.keysym];
}
else {
expect(evt).to.be.deep.equal(elem);
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
elem = null;
}
});
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0x42, keysym: keysyms.lookup(0x43)};
keysymsdown[keysyms.lookup(0x43).keysym] = true;
obj(elem);
expect(elem).to.be.null;
expect(times_called).to.be.equal(2);
elem = {type: 'keyup', keyId: 0};
obj(elem);
expect(times_called).to.be.equal(3);
elem = {type: 'keyup', keyId: 0x42};
obj(elem);
expect(times_called).to.be.equal(4);
});
it('should add keysym as separate entry if keyId does not match last event and second is zero', function() {
// this implies that a separate keyups are required
var times_called = 0;
var elem = null;
var keysymsdown = {};
var obj = TrackKeyState(function(evt) {
++times_called;
if (elem.type == 'keyup') {
expect(evt).to.have.property('keysym');
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
delete keysymsdown[evt.keysym.keysym];
}
else {
expect(evt).to.be.deep.equal(elem);
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
elem = null;
}
});
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0, keysym: keysyms.lookup(0x43)};
keysymsdown[keysyms.lookup(0x43).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keyup', keyId: 0x41};
obj(elem);
expect(times_called).to.be.equal(3);
elem = {type: 'keyup', keyId: 0};
obj(elem);
expect(times_called).to.be.equal(4);
});
it('should pop matching key event on keyup', function() {
var times_called = 0;
var obj = TrackKeyState(function(evt) {
switch (times_called++) {
case 0:
case 1:
case 2:
expect(evt.type).to.be.equal('keydown');
break;
case 3:
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0x42, keysym: keysyms.lookup(0x62)});
break;
}
});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x61)});
obj({type: 'keydown', keyId: 0x42, keysym: keysyms.lookup(0x62)});
obj({type: 'keydown', keyId: 0x43, keysym: keysyms.lookup(0x63)});
obj({type: 'keyup', keyId: 0x42});
expect(times_called).to.equal(4);
});
it('should pop the first zero keyevent on keyup with zero keyId', function() {
var times_called = 0;
var obj = TrackKeyState(function(evt) {
switch (times_called++) {
case 0:
case 1:
case 2:
expect(evt.type).to.be.equal('keydown');
break;
case 3:
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0, keysym: keysyms.lookup(0x61)});
break;
}
});
obj({type: 'keydown', keyId: 0, keysym: keysyms.lookup(0x61)});
obj({type: 'keydown', keyId: 0, keysym: keysyms.lookup(0x62)});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x63)});
obj({type: 'keyup', keyId: 0x0});
expect(times_called).to.equal(4);
});
it('should pop the last keyevents keysym if no match is found for keyId', function() {
var times_called = 0;
var obj = TrackKeyState(function(evt) {
switch (times_called++) {
case 0:
case 1:
case 2:
expect(evt.type).to.be.equal('keydown');
break;
case 3:
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0x44, keysym: keysyms.lookup(0x63)});
break;
}
});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x61)});
obj({type: 'keydown', keyId: 0x42, keysym: keysyms.lookup(0x62)});
obj({type: 'keydown', keyId: 0x43, keysym: keysyms.lookup(0x63)});
obj({type: 'keyup', keyId: 0x44});
expect(times_called).to.equal(4);
});
describe('Firefox sends keypress even when keydown is suppressed', function() {
it('should discard the keypress', function() {
var times_called = 0;
var obj = TrackKeyState(function(evt) {
expect(times_called).to.be.equal(0);
++times_called;
});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
expect(times_called).to.be.equal(1);
obj({type: 'keypress', keyId: 0x41, keysym: keysyms.lookup(0x43)});
});
});
describe('releaseAll', function() {
it('should do nothing if no keys have been pressed', function() {
var times_called = 0;
var obj = TrackKeyState(function(evt) {
++times_called;
});
obj({type: 'releaseall'});
expect(times_called).to.be.equal(0);
});
it('should release the keys that have been pressed', function() {
var times_called = 0;
var obj = TrackKeyState(function(evt) {
switch (times_called++) {
case 2:
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0, keysym: keysyms.lookup(0x41)});
break;
case 3:
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0, keysym: keysyms.lookup(0x42)});
break;
}
});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x41)});
obj({type: 'keydown', keyId: 0x42, keysym: keysyms.lookup(0x42)});
expect(times_called).to.be.equal(2);
obj({type: 'releaseall'});
expect(times_called).to.be.equal(4);
obj({type: 'releaseall'});
expect(times_called).to.be.equal(4);
});
});
});
describe('Escape Modifiers', function() {
describe('Keydown', function() {
it('should pass through when a char modifier is not down', function() {
var times_called = 0;
EscapeModifiers(function(evt) {
expect(times_called).to.be.equal(0);
++times_called;
expect(evt).to.be.deep.equal({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
})({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
expect(times_called).to.be.equal(1);
});
it('should generate fake undo/redo events when a char modifier is down', function() {
var times_called = 0;
EscapeModifiers(function(evt) {
switch(times_called++) {
case 0:
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0, keysym: keysyms.lookup(0xffe9)});
break;
case 1:
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0, keysym: keysyms.lookup(0xffe3)});
break;
case 2:
expect(evt).to.be.deep.equal({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42), escape: [0xffe9, 0xffe3]});
break;
case 3:
expect(evt).to.be.deep.equal({type: 'keydown', keyId: 0, keysym: keysyms.lookup(0xffe9)});
break;
case 4:
expect(evt).to.be.deep.equal({type: 'keydown', keyId: 0, keysym: keysyms.lookup(0xffe3)});
break;
}
})({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42), escape: [0xffe9, 0xffe3]});
expect(times_called).to.be.equal(5);
});
});
describe('Keyup', function() {
it('should pass through when a char modifier is down', function() {
var times_called = 0;
EscapeModifiers(function(evt) {
expect(times_called).to.be.equal(0);
++times_called;
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0x41, keysym: keysyms.lookup(0x42), escape: [0xfe03]});
})({type: 'keyup', keyId: 0x41, keysym: keysyms.lookup(0x42), escape: [0xfe03]});
expect(times_called).to.be.equal(1);
});
it('should pass through when a char modifier is not down', function() {
var times_called = 0;
EscapeModifiers(function(evt) {
expect(times_called).to.be.equal(0);
++times_called;
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0x41, keysym: keysyms.lookup(0x42)});
})({type: 'keyup', keyId: 0x41, keysym: keysyms.lookup(0x42)});
expect(times_called).to.be.equal(1);
});
});
});
});