features.md

Feature Tests

This page displays the results of several tests on the features of the signal libraries. See below for a legend of the output:

• yes: the test passed successfully,
• no: the test did not produce the expected result,
• n/a: the library does not provide the API required for this test,
• X: the test crashed in a way or another.

The tests check the behaviour of the library when the signal is activated in various ways, how the connections are handled and what happens when signals are swapped.

None of the tested libraries passes all the tests.

On the tests that could be run (i.e. tests for which the required API is available in the tested library), none of the tested libraries passes all the tests.

Detailed Test results

Activation

1. Will the callback be called if the signal is triggered?
2. Are the callbacks called in the order they are registered?
3. Will the signal not execute a callback registered while the signal is triggered?
4. Will the signal not execute a callback unregistered while the signal is triggered?
5. Can a signal be triggered while it is triggered?
6. Will the registration of the same callback twice will cause the callback to be called twice by triggering the signal?

Library	1	2	3	4	5	6
aco	yes	yes	X	no	yes	n/a
asg	yes	yes	no	yes	yes	yes
bs2	yes	yes	yes	yes	yes	yes
bs2_st	yes	yes	yes	yes	yes	yes
cls	yes	no	X	X	X	yes
cps	yes	no	X	X	X	n/a
cps_st	yes	no	yes	no	yes	n/a
css	yes	yes	no	yes	yes	n/a
dob	yes	yes	yes	yes	yes	yes
evl	yes	yes	X	X	yes	yes
ics	yes	yes	yes	yes	yes	yes
jls	yes	yes	no	yes	yes	n/a
jos	yes	yes	no	yes	yes	yes
ksc	yes	yes	yes	yes	yes	yes
ktn	yes	yes	yes	yes	no	no
lfs	yes	yes	no	yes	yes	yes
lss	yes	yes	no	yes	yes	yes
mws	yes	yes	no	yes	yes	yes
nes	yes	yes	X	yes	yes	n/a
nls	yes	yes	yes	yes	yes	yes
nls_st	yes	yes	yes	yes	yes	yes
nod	yes	yes	yes	no	yes	yes
nod_st	yes	yes	yes	no	yes	yes
nss_st	yes	yes	yes	no	yes	n/a
nss_sts	yes	yes	yes	no	yes	n/a
nss_ts	yes	no	X	X	X	n/a
nss_tss	yes	yes	yes	no	yes	n/a
psg	yes	yes	yes	no	yes	n/a
pss	yes	yes	yes	yes	yes	yes
pss_st	yes	yes	X	yes	yes	yes
sss	yes	yes	no	yes	yes	n/a
vdk	yes	yes	no	yes	yes	n/a
wnk	yes	yes	X	yes	yes	n/a
yas	yes	yes	X	X	yes	n/a

Activation with argument

1. Can the callbacks have an argument?
2. Will triggering the signal with an argument by reference not make unecessary copies of its argument?
3. Will triggering the signal with an argument by value not make unecessary copies of its argument?
4. Will triggering the signal with a temporary will pass it to every callback?

Library	1	2	3	4
aco	yes	yes	no	yes
asg	yes	yes	no	yes
bs2	yes	yes	no	yes
bs2_st	yes	yes	no	yes
cls	yes	yes	no	no
cps	yes	yes	no	no
cps_st	yes	yes	no	no
css	yes	yes	no	yes
dob	yes	yes	no	no
evl	yes	yes	no	yes
ics	yes	yes	no	no
jls	yes	yes	no	yes
jos	yes	yes	no	yes
ksc	yes	yes	no	no
ktn	yes	yes	no	no
lfs	yes	yes	yes	yes
lss	yes	yes	no	yes
mws	yes	yes	no	yes
nes	yes	yes	no	no
nls	yes	yes	no	no
nls_st	yes	yes	no	no
nod	yes	yes	no	yes
nod_st	yes	yes	no	yes
nss_st	yes	yes	no	no
nss_sts	yes	yes	no	no
nss_ts	yes	yes	no	no
nss_tss	yes	yes	no	no
psg	yes	yes	no	yes
pss	yes	yes	no	yes
pss_st	yes	yes	no	yes
sss	yes	yes	no	yes
vdk	yes	yes	no	yes
wnk	yes	yes	no	no
yas	yes	yes	no	no

Connection management

1. Is the signal empty when constructed?
2. Is the signal not empty when a callback is registered?
3. Will the callback be called if the signal is triggered even if the connection is not stored?
4. Will the callback not be called if the signal is triggered once the connection has been cut?
5. Will the callback not be called if the signal is cleared?

Library	1	2	3	4	5
aco	n/a	n/a	no	yes	yes
asg	n/a	n/a	yes	yes	yes
bs2	yes	yes	yes	yes	yes
bs2_st	yes	yes	yes	yes	yes
cls	n/a	n/a	no	yes	yes
cps	n/a	n/a	no	yes	no
cps_st	n/a	n/a	no	yes	no
css	n/a	n/a	no	yes	n/a
dob	n/a	n/a	yes	yes	no
evl	n/a	n/a	no	yes	yes
ics	yes	yes	yes	yes	yes
jls	yes	yes	no	yes	yes
jos	n/a	n/a	yes	yes	yes
ksc	n/a	n/a	yes	yes	yes
ktn	yes	yes	yes	yes	yes
lfs	yes	yes	yes	yes	yes
lss	yes	yes	yes	yes	n/a
mws	yes	yes	yes	yes	no
nes	yes	yes	yes	yes	yes
nls	n/a	n/a	yes	yes	yes
nls_st	n/a	n/a	yes	yes	yes
nod	yes	yes	yes	yes	yes
nod_st	yes	yes	yes	yes	yes
nss_st	yes	yes	no	yes	yes
nss_sts	yes	yes	no	yes	yes
nss_ts	yes	yes	no	yes	yes
nss_tss	yes	yes	no	yes	yes
psg	yes	yes	yes	yes	yes
pss	n/a	n/a	yes	yes	yes
pss_st	n/a	n/a	yes	yes	yes
sss	n/a	n/a	no	yes	X
vdk	yes	yes	yes	yes	yes
wnk	yes	yes	yes	yes	yes
yas	n/a	n/a	yes	yes	yes

Swap

1. Can an empty signal be swapped with another empty signal?
2. Can an empty signal be swapped with a signal with one callback?
3. Can an empty signal be swapped with a signal with two callbacks?
4. Can a signal with one callback be swapped with another signal with one callback?
5. Can a signal with one callback be swapped with another signal with two callbacks?
6. Can a signal with two callbacks be swapped with another signal with two callbacks?
7. Can a signal be swapped with another signal while it is triggered?
8. When swapping two signals, will the connections be swapped too?

Library	1	2	3	4	5	6	7	8
aco	yes	yes	yes	yes	yes	yes	no	yes
asg	yes	yes	yes	yes	yes	yes	no	yes
bs2	yes	yes	yes	yes	yes	yes	yes	yes
bs2_st	yes	yes	yes	yes	yes	yes	yes	yes
cls	X	X	X	X	X	X	X	X
cps	yes	no	no	no	no	no	X	no
cps_st	yes	no	no	no	no	no	no	no
css	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
dob	yes	no	no	no	no	no	no	no
evl	yes	yes	yes	yes	yes	yes	yes	no
ics	yes	yes	yes	yes	yes	yes	yes	yes
jls	yes	yes	yes	X	X	X	no	X
jos	yes	yes	yes	yes	yes	yes	X	yes
ksc	yes	yes	yes	yes	yes	yes	yes	yes
ktn	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
lfs	yes	yes	yes	yes	yes	yes	yes	no
lss	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
mws	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
nes	yes	yes	yes	yes	yes	yes	no	yes
nls	yes	no	no	no	no	no	no	no
nls_st	yes	no	no	no	no	no	no	no
nod	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
nod_st	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
nss_st	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
nss_sts	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
nss_ts	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
nss_tss	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
psg	yes	yes	yes	yes	yes	yes	X	yes
pss	yes	yes	yes	yes	yes	yes	yes	yes
pss_st	yes	yes	yes	yes	yes	yes	yes	yes
sss	yes	X	X	X	X	X	X	X
vdk	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
wnk	yes	yes	yes	yes	yes	yes	X	yes
yas	yes	yes	yes	yes	yes	yes	yes	yes