libui/test/events.c

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C
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// 18 may 2019
#include "test.h"
struct handler {
uiEvent *e;
int id;
bool validID;
const char *name;
bool gotRun;
void *gotSender;
void *gotArgs;
bool wantRun;
void *wantSender;
void *wantArgs;
bool wantBlocked;
int *runCount;
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};
static void handler(void *sender, void *args, void *data)
{
struct handler *h = (struct handler *) data;
h->gotRun = true;
h->gotSender = sender;
h->gotArgs = args;
(*(h->runCount))++;
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}
static void *allocHandlersFull(testingT *t, const char *file, long line, size_t n)
{
struct handler *h;
h = (struct handler *) malloc(n * sizeof (struct handler));
if (h == NULL)
testingTFatalfFull(t, file, line, "memory exhausted allocating handlers");
memset(h, 0, n * sizeof (struct handler));
return h;
}
#define allocHandlers(t, n) allocHandlersFull(t, __FILE__, __LINE__, n)
static void resetGot(struct handler *h, int *runCount)
{
h->gotRun = false;
h->gotSender = NULL;
h->gotArgs = NULL;
h->runCount = runCount;
}
static void registerHandler(struct handler *h, uiEvent *e, void *sender, void *args)
{
h->wantSender = sender;
h->wantArgs = args;
h->e = e;
h->id = uiEventAddHandler(h->e, handler, h->wantSender, h);
h->validID = true;
}
static void unregisterHandler(struct handler *h)
{
if (!h->validID) // not registered; do nothing (likely a deferred call)
return;
uiEventDeleteHandler(h->e, h->id);
h->e = NULL;
h->validID = false;
}
static void wantRun(struct handler *h)
{
h->wantRun = true;
h->wantBlocked = false;
}
static void wantNotRun(struct handler *h)
{
h->wantRun = false;
h->wantBlocked = false;
}
static void wantBlocked(struct handler *h)
{
h->wantRun = false;
h->wantBlocked = true;
}
static void runFull(testingT *t, const char *file, long line, uiEvent *e, void *sender, void *args, struct handler *handlers, int n, int wantRunCount)
{
int i;
int gotRunCount;
struct handler *h;
bool gotBlocked;
gotRunCount = 0;
for (i = 0; i < n; i++)
resetGot(handlers + i, &gotRunCount);
uiEventFire(e, sender, args);
h = handlers;
for (i = 0; i < n; i++) {
if (!h->gotRun && h->wantRun)
testingTErrorfFull(t, file, line, "%s not run; should have been", h->name);
else if (h->gotRun && !h->wantRun)
testingTErrorfFull(t, file, line, "%s run; should not have been", h->name);
if (h->gotRun && h->wantRun) {
// only check these if it was correctly run, to reduce noise if the above failed
if (h->gotSender != h->wantSender)
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testingTErrorfFull(t, file, line, "incorrect sender seen by %s:" diff("%p"),
h->name, h->gotSender, h->wantSender);
if (h->gotArgs != h->wantArgs)
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testingTErrorfFull(t, file, line, "incorrect args seen by %s:" diff("%p"),
h->name, h->gotArgs, h->wantArgs);
}
if (h->validID) {
// the following call will fail if the ID isn't valid
gotBlocked = uiEventHandlerBlocked(e, h->id);
if (!gotBlocked && h->wantBlocked)
testingTErrorfFull(t, file, line, "%s not blocked; should have been", h->name);
else if (gotBlocked && !h->wantBlocked)
testingTErrorfFull(t, file, line, "%s blocked; should not have been", h->name);
}
h++;
}
if (gotRunCount != wantRunCount)
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testingTErrorfFull(t, file, line, "incorrect number of handler runs:" diff("%d"),
gotRunCount, wantRunCount);
}
#define run(t, e, sender, args, handlers, n, wantRunCount) runFull(t, __FILE__, __LINE__, e, sender, args, handlers, n, wantRunCount)
struct baseParams {
void (*impl)(testingT *t, void *data);
bool global;
void *sender;
void *args;
};
static void runArgsSubtests(testingT *t, void *data)
{
struct baseParams *p = (struct baseParams *) data;
p->args = &p;
testingTRun(t, "Args", p->impl, data);
p->args = NULL;
testingTRun(t, "NoArgs", p->impl, data);
}
static void runGlobalSubtests(testingT *t, void *data)
{
struct baseParams *p = (struct baseParams *) data;
p->global = true;
p->sender = NULL;
testingTRun(t, "Global", runArgsSubtests, data);
p->global = false;
p->sender = t;
testingTRun(t, "Nonglobal", runArgsSubtests, data);
}
static void deferFree(testingT *t, void *data)
{
free(data);
}
static void deferFreeEvent(testingT *t, void *data)
{
uiFreeEvent((uiEvent *) data);
}
static void deferUnregisterHandler(testingT *t, void *data)
{
unregisterHandler((struct handler *) data);
}
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static void basicEventFunctionalityImpl(testingT *t, void *data)
{
struct baseParams *p = (struct baseParams *) data;
uiEvent *e;
uiEventOptions opts;
struct handler *h;
memset(&opts, 0, sizeof (uiEventOptions));
opts.Size = sizeof (uiEventOptions);
opts.Global = p->global;
e = uiNewEvent(&opts);
testingTDefer(t, deferFreeEvent, e);
h = allocHandlers(t, 1);
testingTDefer(t, deferFree, h);
h[0].name = "handler";
testingTDefer(t, deferUnregisterHandler, h + 0);
registerHandler(h + 0, e, p->sender, p->args);
wantRun(h + 0);
run(t, e, p->sender, p->args,
h, 1, 1);
}
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testingTest(BasicEventFunctionality)
{
struct baseParams p;
memset(&p, 0, sizeof (struct baseParams));
p.impl = basicEventFunctionalityImpl;
runGlobalSubtests(t, &p);
}
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static void addDeleteEventHandlersImpl(testingT *t, void *data)
{
struct baseParams *p = (struct baseParams *) data;
uiEvent *e;
uiEventOptions opts;
struct handler *h;
memset(&opts, 0, sizeof (uiEventOptions));
opts.Size = sizeof (uiEventOptions);
opts.Global = p->global;
e = uiNewEvent(&opts);
testingTDefer(t, deferFreeEvent, e);
h = allocHandlers(t, 6);
testingTDefer(t, deferFree, h);
h[0].name = "handler 1";
h[1].name = "handler 2";
h[2].name = "handler 3";
h[3].name = "new handler 1";
h[4].name = "new handler 2";
h[5].name = "new handler 3";
testingTDefer(t, deferUnregisterHandler, h + 5);
testingTDefer(t, deferUnregisterHandler, h + 4);
testingTDefer(t, deferUnregisterHandler, h + 3);
testingTDefer(t, deferUnregisterHandler, h + 2);
testingTDefer(t, deferUnregisterHandler, h + 1);
testingTDefer(t, deferUnregisterHandler, h + 0);
testingTLogf(t, "*** initial handlers");
registerHandler(h + 0, e, p->sender, p->args);
registerHandler(h + 1, e, p->sender, p->args);
registerHandler(h + 2, e, p->sender, p->args);
wantRun(h + 0);
wantRun(h + 1);
wantRun(h + 2);
wantNotRun(h + 3);
wantNotRun(h + 4);
wantNotRun(h + 5);
run(t, e, p->sender, p->args,
h, 6, 3);
testingTLogf(t, "*** deleting a handler from the middle");
unregisterHandler(h + 1);
wantRun(h + 0);
wantNotRun(h + 1);
wantRun(h + 2);
wantNotRun(h + 3);
wantNotRun(h + 4);
wantNotRun(h + 5);
run(t, e, p->sender, p->args,
h, 6, 2);
testingTLogf(t, "*** adding handler after deleting a handler from the middle");
registerHandler(h + 3, e, p->sender, p->args);
wantRun(h + 0);
wantNotRun(h + 1);
wantRun(h + 2);
wantRun(h + 3);
wantNotRun(h + 4);
wantNotRun(h + 5);
run(t, e, p-> sender, p->args,
h, 6, 3);
testingTLogf(t, "*** deleting first handler added and adding another");
unregisterHandler(h + 0);
registerHandler(h + 4, e, p->sender, p->args);
wantNotRun(h + 0);
wantNotRun(h + 1);
wantRun(h + 2);
wantRun(h + 3);
wantRun(h + 4);
wantNotRun(h + 5);
run(t, e, p->sender, p->args,
h, 6, 3);
testingTLogf(t, "*** deleting most recently added handler and adding another");
unregisterHandler(h + 4);
registerHandler(h + 5, e, p->sender, p->args);
wantNotRun(h + 0);
wantNotRun(h + 1);
wantRun(h + 2);
wantRun(h + 3);
wantNotRun(h + 4);
wantRun(h + 5);
run(t, e, p->sender, p->args,
h, 6, 3);
testingTLogf(t, "*** deleting all handlers");
unregisterHandler(h + 2);
unregisterHandler(h + 3);
unregisterHandler(h + 5);
wantNotRun(h + 0);
wantNotRun(h + 1);
wantNotRun(h + 2);
wantNotRun(h + 3);
wantNotRun(h +4);
wantNotRun(h + 5);
run(t, e, p->sender, p->args,
h, 6, 0);
testingTLogf(t, "*** adding handler after deleting all handlers");
registerHandler(h + 0, e, p->sender, p->args);
wantRun(h + 0);
wantNotRun(h + 1);
wantNotRun(h + 2);
wantNotRun(h + 3);
wantNotRun(h + 4);
wantNotRun(h + 5);
run(t, e, p->sender, p->args,
h, 6, 1);
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}
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testingTest(AddDeleteEventHandlers)
{
struct baseParams p;
memset(&p, 0, sizeof (struct baseParams));
p.impl = addDeleteEventHandlersImpl;
runGlobalSubtests(t, &p);
}
static void eventSendersHonoredImpl(testingT *t, void *data)
{
struct baseParams *p = (struct baseParams *) data;
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uiEvent *e;
uiEventOptions opts;
struct handler *h;
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void *sender1, *sender2, *sender3;
memset(&opts, 0, sizeof (uiEventOptions));
opts.Size = sizeof (uiEventOptions);
opts.Global = false;
e = uiNewEvent(&opts);
testingTDefer(t, deferFreeEvent, e);
h = allocHandlers(t, 4);
testingTDefer(t, deferFree, h);
h[0].name = "sender 1 handler 1";
h[1].name = "sender 2 handler";
h[2].name = "sender 3 handler";
h[3].name = "sender 1 handler 2";
testingTDefer(t, deferUnregisterHandler, h + 3);
testingTDefer(t, deferUnregisterHandler, h + 2);
testingTDefer(t, deferUnregisterHandler, h + 1);
testingTDefer(t, deferUnregisterHandler, h + 0);
// dynamically allocate these so we don't run the risk of upsetting an optimizer somewhere, since we don't touch this memory
sender1 = malloc(16);
if (sender1 == NULL)
testingTFatalf(t, "memory exhausted allocating sender 1");
memset(sender1, 5, 16);
testingTDefer(t, deferFree, sender1);
sender2 = malloc(32);
if (sender2 == NULL)
testingTFatalf(t, "memory exhausted allocating sender 2");
memset(sender2, 10, 32);
testingTDefer(t, deferFree, sender2);
sender3 = malloc(64);
if (sender3 == NULL)
testingTFatalf(t, "memory exhausted allocating sender 3");
memset(sender3, 15, 64);
testingTDefer(t, deferFree, sender3);
registerHandler(h + 0, e, sender1, p->args);
registerHandler(h + 1, e, sender2, p->args);
registerHandler(h + 2, e, sender3, p->args);
registerHandler(h + 3, e, sender1, p->args);
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testingTLogf(t, "*** sender 1");
wantRun(h + 0);
wantNotRun(h + 1);
wantNotRun(h + 2);
wantRun(h + 3);
run(t, e, sender1, p->args,
h, 4, 2);
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testingTLogf(t, "*** sender 2");
wantNotRun(h + 0);
wantRun(h + 1);
wantNotRun(h + 2);
wantNotRun(h + 3);
run(t, e, sender2, p->args,
h, 4, 1);
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testingTLogf(t, "*** sender 3");
wantNotRun(h + 0);
wantNotRun(h + 1);
wantRun(h + 2);
wantNotRun(h + 3);
run(t, e, sender3, p->args,
h, 4, 1);
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testingTLogf(t, "*** an entirely different sender");
wantNotRun(h + 0);
wantNotRun(h + 1);
wantNotRun(h + 2);
wantNotRun(h + 3);
run(t, e, p, p->args,
h, 4, 0);
testingTLogf(t, "*** deleting one of sender 1's handlers doesn't affect the other");
unregisterHandler(h + 3);
wantRun(h + 0);
wantNotRun(h + 1);
wantNotRun(h + 2);
wantNotRun(h + 3);
run(t, e, sender1, p->args,
h, 4, 1);
testingTLogf(t, "*** after registering a handler with the above entirely different sender, it will work");
registerHandler(h + 3, e, p, p->args);
wantNotRun(h + 0);
wantNotRun(h + 1);
wantNotRun(h + 2);
wantRun(h + 3);
run(t, e, p, p->args,
h, 4, 1);
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}
testingTest(EventSendersHonored)
{
struct baseParams p;
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memset(&p, 0, sizeof (struct baseParams));
p.impl = eventSendersHonoredImpl;
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runArgsSubtests(t, &p);
}
static void eventBlocksHonoredImpl(testingT *t, void *data)
{
struct baseParams *p = (struct baseParams *) data;
uiEvent *e;
uiEventOptions opts;
struct handler *h;
memset(&opts, 0, sizeof (uiEventOptions));
opts.Size = sizeof (uiEventOptions);
opts.Global = p->global;
e = uiNewEvent(&opts);
testingTDefer(t, deferFreeEvent, e);
h = allocHandlers(t, 3);
testingTDefer(t, deferFree, h);
h[0].name = "handler 1";
h[1].name = "handler 2";
h[2].name = "handler 3";
testingTDefer(t, deferUnregisterHandler, h + 2);
testingTDefer(t, deferUnregisterHandler, h + 1);
testingTDefer(t, deferUnregisterHandler, h + 0);
testingTLogf(t, "*** initial handlers are unblocked");
registerHandler(h + 0, e, p->sender, p->args);
registerHandler(h + 1, e, p->sender, p->args);
registerHandler(h + 2, e, p->sender, p->args);
wantRun(h + 0);
wantRun(h + 1);
wantRun(h + 2);
run(t, e, p->sender, p->args,
h, 3, 3);
testingTLogf(t, "*** blocking handler 2 omits it");
uiEventSetHandlerBlocked(e, h[1].id, true);
wantRun(h + 0);
wantBlocked(h + 1);
wantRun(h + 2);
run(t, e, p->sender, p->args,
h, 3, 2);
testingTLogf(t, "*** blocking handler 3 omits both 2 and 3");
uiEventSetHandlerBlocked(e, h[2].id, true);
wantRun(h + 0);
wantBlocked(h + 1);
wantBlocked(h + 2);
run(t, e, p->sender, p->args,
h, 3, 1);
testingTLogf(t, "*** unblocking handler 2 omits only 3");
uiEventSetHandlerBlocked(e, h[1].id, false);
wantRun(h + 0);
wantRun(h + 1);
wantBlocked(h + 2);
run(t, e, p->sender, p->args,
h, 3, 2);
testingTLogf(t, "*** blocking an already blocked handler is a no-op");
uiEventSetHandlerBlocked(e, h[2].id, true);
wantRun(h + 0);
wantRun(h + 1);
wantBlocked(h + 2);
run(t, e, p->sender, p->args,
h, 3, 2);
testingTLogf(t, "*** unblocking an already unblocked handler is a no-op");
uiEventSetHandlerBlocked(e, h[1].id, false);
wantRun(h + 0);
wantRun(h + 1);
wantBlocked(h + 2);
run(t, e, p->sender, p->args,
h, 3, 2);
testingTLogf(t, "*** blocking everything omits everything");
uiEventSetHandlerBlocked(e, h[0].id, true);
uiEventSetHandlerBlocked(e, h[1].id, true);
uiEventSetHandlerBlocked(e, h[2].id, true);
wantBlocked(h + 0);
wantBlocked(h + 1);
wantBlocked(h + 2);
run(t, e, p->sender, p->args,
h, 3, 0);
testingTLogf(t, "*** unblocking everything omits nothing");
uiEventSetHandlerBlocked(e, h[0].id, false);
uiEventSetHandlerBlocked(e, h[1].id, false);
uiEventSetHandlerBlocked(e, h[2].id, false);
wantRun(h + 0);
wantRun(h + 1);
wantRun(h + 2);
run(t, e, p->sender, p->args,
h, 3, 3);
testingTLogf(t, "*** blocking something again works");
uiEventSetHandlerBlocked(e, h[2].id, true);
wantRun(h + 0);
wantRun(h + 1);
wantBlocked(h + 2);
run(t, e, p->sender, p->args,
h, 3, 2);
testingTLogf(t, "*** deleting a blocked handler and adding a new one doesn't keep the new one blocked");
unregisterHandler(h + 2);
registerHandler(h + 2, e, p->sender, p->args);
wantRun(h + 0);
wantRun(h + 1);
wantRun(h + 2);
run(t, e, p->sender, p->args,
h, 3, 3);
testingTLogf(t, "*** adding a new handler while one is blocked doesn't affect the blocked one");
unregisterHandler(h + 2);
uiEventSetHandlerBlocked(e, h[1].id, true);
registerHandler(h + 2, e, p->sender, p->args);
wantRun(h + 0);
wantBlocked(h + 1);
wantRun(h + 2);
run(t, e, p->sender, p->args,
h, 3, 2);
}
testingTest(EventBlocksHonored)
{
struct baseParams p;
memset(&p, 0, sizeof (struct baseParams));
p.impl = eventBlocksHonoredImpl;
runGlobalSubtests(t, &p);
}
static void eventBlocksHonoredWithDifferentSendersImpl(testingT *t, void *data)
{
struct baseParams *p = (struct baseParams *) data;
uiEvent *e;
uiEventOptions opts;
struct handler *h;
void *sender1, *sender2;
memset(&opts, 0, sizeof (uiEventOptions));
opts.Size = sizeof (uiEventOptions);
opts.Global = false;
e = uiNewEvent(&opts);
testingTDefer(t, deferFreeEvent, e);
h = allocHandlers(t, 4);
testingTDefer(t, deferFree, h);
h[0].name = "sender 1 handler 1";
h[1].name = "sender 2 handler 1";
h[2].name = "sender 2 handler 2";
h[3].name = "sender 1 handler 2";
testingTDefer(t, deferUnregisterHandler, h + 3);
testingTDefer(t, deferUnregisterHandler, h + 2);
testingTDefer(t, deferUnregisterHandler, h + 1);
testingTDefer(t, deferUnregisterHandler, h + 0);
// dynamically allocate these so we don't run the risk of upsetting an optimizer somewhere, since we don't touch this memory
sender1 = malloc(16);
if (sender1 == NULL)
testingTFatalf(t, "memory exhausted allocating sender 1");
memset(sender1, 5, 16);
testingTDefer(t, deferFree, sender1);
sender2 = malloc(32);
if (sender2 == NULL)
testingTFatalf(t, "memory exhausted allocating sender 2");
memset(sender2, 10, 32);
testingTDefer(t, deferFree, sender2);
registerHandler(h + 0, e, sender1, p->args);
registerHandler(h + 1, e, sender2, p->args);
registerHandler(h + 2, e, sender2, p->args);
registerHandler(h + 3, e, sender1, p->args);
testingTLogf(t, "*** sender 1 with nothing blocked");
wantRun(h + 0);
wantNotRun(h + 1);
wantNotRun(h + 2);
wantRun(h + 3);
run(t, e, sender1, p->args,
h, 4, 2);
testingTLogf(t, "*** sender 2 with nothing blocked");
wantNotRun(h + 0);
wantRun(h + 1);
wantRun(h + 2);
wantNotRun(h + 3);
run(t, e, sender2, p->args,
h, 4, 2);
testingTLogf(t, "*** an entirely different sender with nothing blocked");
wantNotRun(h + 0);
wantNotRun(h + 1);
wantNotRun(h + 2);
wantNotRun(h + 3);
run(t, e, p, p->args,
h, 4, 0);
testingTLogf(t, "*** blocking one of sender 1's handlers only runs the other");
uiEventSetHandlerBlocked(e, h[3].id, true);
wantRun(h + 0);
wantNotRun(h + 1);
wantNotRun(h + 2);
wantBlocked(h + 3);
run(t, e, sender1, p->args,
h, 4, 1);
testingTLogf(t, "*** blocking one of sender 1's handlers doesn't affect sender 2");
wantNotRun(h + 0);
wantRun(h + 1);
wantRun(h + 2);
wantBlocked(h + 3);
run(t, e, sender2, p->args,
h, 4, 2);
testingTLogf(t, "*** blocking one of sender 1's handlers doesn't affect the above entirely different sender");
wantNotRun(h + 0);
wantNotRun(h + 1);
wantNotRun(h + 2);
wantBlocked(h + 3);
run(t, e, p, p->args,
h, 4, 0);
testingTLogf(t, "*** blocking one of sender 2's handlers only runs the other");
uiEventSetHandlerBlocked(e, h[2].id, true);
wantNotRun(h + 0);
wantRun(h + 1);
wantBlocked(h + 2);
wantBlocked(h + 3);
run(t, e, sender2, p->args,
h, 4, 1);
testingTLogf(t, "*** blocking one of sender 2's handlers doesn't affect sender 1");
wantRun(h + 0);
wantNotRun(h + 1);
wantBlocked(h + 2);
wantBlocked(h + 3);
run(t, e, sender1, p->args,
h, 4, 1);
testingTLogf(t, "*** blocking one of sender 2's handlers doesn't affect the above entirely different sender");
wantNotRun(h + 0);
wantNotRun(h + 1);
wantBlocked(h + 2);
wantBlocked(h + 3);
run(t, e, p, p->args,
h, 4, 0);
testingTLogf(t, "*** deleting the blocked sender 2 handler only runs the other");
unregisterHandler(h + 2);
wantNotRun(h + 0);
wantRun(h + 1);
wantNotRun(h + 2);
wantBlocked(h + 3);
run(t, e, sender2, p->args,
h, 4, 1);
testingTLogf(t, "*** deleting the blocked sender 2 handler doesn't affect sender 1");
wantRun(h + 0);
wantNotRun(h + 1);
wantNotRun(h + 2);
wantBlocked(h + 3);
run(t, e, sender1, p->args,
h, 4, 1);
testingTLogf(t, "*** deleting the blocked sender 2 handler doesn't affect the above entirely different sender");
wantNotRun(h + 0);
wantNotRun(h + 1);
wantNotRun(h + 2);
wantBlocked(h + 3);
run(t, e, p, p->args,
h, 4, 0);
testingTLogf(t, "*** adding a new sender 1 handler doesn't affect the existing blocked one");
h[2].name = "sender 1 handler 3";
registerHandler(h + 2, e, sender1, p->args);
wantRun(h + 0);
wantNotRun(h + 1);
wantRun(h + 2);
wantBlocked(h + 3);
run(t, e, sender1, p->args,
h, 4, 2);
testingTLogf(t, "*** adding a new sender 1 handler doesn't affect sender 2");
wantNotRun(h + 0);
wantRun(h + 1);
wantNotRun(h + 2);
wantBlocked(h + 3);
run(t, e, sender2, p->args,
h, 4, 1);
testingTLogf(t, "*** adding a new sender 1 handler doesn't affect the above entirely different handler");
wantNotRun(h + 0);
wantNotRun(h + 1);
wantNotRun(h + 2);
wantBlocked(h + 3);
run(t, e, p, p->args,
h, 4, 0);
}
testingTest(EventBlocksHonoredWithDifferentSenders)
{
struct baseParams p;
memset(&p, 0, sizeof (struct baseParams));
p.impl = eventBlocksHonoredWithDifferentSendersImpl;
runGlobalSubtests(t, &p);
}
static void testWhileFiring(void *sender, void *args, void *data)
{
testingT *t = (testingT *) data;
uiEvent *firingEvent = (uiEvent *) args;
void *senderPlaceholder, *argsPlaceholder, *dataPlaceholder;
int idPlaceholder;
bool blockedPlaceholder;
senderPlaceholder = NULL;
argsPlaceholder = NULL;
dataPlaceholder = NULL;
idPlaceholder = 0;
blockedPlaceholder = false;
testProgrammerError(t, uiEventAddHandler(firingEvent, handler, senderPlaceholder, dataPlaceholder),
"attempt to change a uiEvent with uiEventAddHandler() while it is firing");
testProgrammerError(t, uiEventDeleteHandler(firingEvent, idPlaceholder),
"attempt to change a uiEvent with uiEventDeleteHandler() while it is firing");
testProgrammerError(t, uiEventFire(firingEvent, senderPlaceholder, argsPlaceholder),
"attempt to fire a uiEvent while it is already being fired");
testProgrammerError(t, uiEventSetHandlerBlocked(firingEvent, idPlaceholder, blockedPlaceholder),
"attempt to change a uiEvent with uiEventSetHandlerBlocked() while it is firing");
}
struct deferDeleteFiringHandlerParams {
uiEvent *e;
int id;
};
static void deferDeleteFiringHandler(testingT *t, void *data)
{
struct deferDeleteFiringHandlerParams *p = (struct deferDeleteFiringHandlerParams *) data;
uiEventDeleteHandler(p->e, p->id);
}
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testingTest(EventErrors)
{
uiEvent *globalEvent, *nonglobalEvent;
uiEventOptions opts;
uiEventOptions eventOptionsBadSize;
uiEvent *eventPlaceholder;
void *senderPlaceholder, *argsPlaceholder, *dataPlaceholder;
void *nonNullSender;
int idPlaceholder;
bool blockedPlaceholder;
uiEvent *firingEvent;
struct deferDeleteFiringHandlerParams *fp;
testProgrammerError(t, uiNewEvent(NULL),
"invalid null pointer for uiEventOptions passed into uiNewEvent()");
memset(&eventOptionsBadSize, 0, sizeof (uiEventOptions));
eventOptionsBadSize.Size = 1;
testProgrammerError(t, uiNewEvent(&eventOptionsBadSize),
"wrong size 1 for uiEventOptions");
memset(&opts, 0, sizeof (uiEventOptions));
opts.Size = sizeof (uiEventOptions);
opts.Global = true;
globalEvent = uiNewEvent(&opts);
testingTDefer(t, deferFreeEvent, globalEvent);
opts.Global = false;
nonglobalEvent = uiNewEvent(&opts);
testingTDefer(t, deferFreeEvent, nonglobalEvent);
eventPlaceholder = globalEvent;
senderPlaceholder = NULL;
argsPlaceholder = NULL;
dataPlaceholder = NULL;
nonNullSender = &globalEvent;
idPlaceholder = 0;
blockedPlaceholder = false;
testProgrammerError(t, uiEventAddHandler(NULL, handler, senderPlaceholder, dataPlaceholder),
"invalid null pointer for uiEvent passed into uiEventAddHandler()");
testProgrammerError(t, uiEventAddHandler(eventPlaceholder, NULL, senderPlaceholder, dataPlaceholder),
"invalid null pointer for uiEventHandler passed into uiEventAddHandler()");
testProgrammerError(t, uiEventAddHandler(globalEvent, handler, nonNullSender, dataPlaceholder),
"attempt to use a non-NULL sender with a global event in uiEventAddHandler()");
testProgrammerError(t, uiEventAddHandler(nonglobalEvent, handler, NULL, dataPlaceholder),
"attempt to use a NULL sender with a non-global event in uiEventAddHandler()");
testProgrammerError(t, uiEventDeleteHandler(NULL, idPlaceholder),
"invalid null pointer for uiEvent passed into uiEventDeleteHandler()");
testProgrammerError(t, uiEventDeleteHandler(eventPlaceholder, 5),
"uiEvent handler identifier 5 not found in uiEventDeleteHandler()");
testProgrammerError(t, uiEventFire(NULL, senderPlaceholder, argsPlaceholder),
"invalid null pointer for uiEvent passed into uiEventFire()");
testProgrammerError(t, uiEventFire(globalEvent, nonNullSender, argsPlaceholder),
"attempt to use a non-NULL sender with a global event in uiEventFire()");
testProgrammerError(t, uiEventFire(nonglobalEvent, NULL, argsPlaceholder),
"attempt to use a NULL sender with a non-global event in uiEventFire()");
testProgrammerError(t, uiEventHandlerBlocked(NULL, idPlaceholder),
"invalid null pointer for uiEvent passed into uiEventHandlerBlocked()");
testProgrammerError(t, uiEventHandlerBlocked(eventPlaceholder, 5),
"uiEvent handler identifier 5 not found in uiEventHandlerBlocked()");
testProgrammerError(t, uiEventSetHandlerBlocked(NULL, idPlaceholder, blockedPlaceholder),
"invalid null pointer for uiEvent passed into uiEventSetHandlerBlocked()");
testProgrammerError(t, uiEventSetHandlerBlocked(eventPlaceholder, 5, blockedPlaceholder),
"uiEvent handler identifier 5 not found in uiEventSetHandlerBlocked()");
memset(&opts, 0, sizeof (uiEventOptions));
opts.Size = sizeof (uiEventOptions);
opts.Global = true;
firingEvent = uiNewEvent(&opts);
testingTDefer(t, deferFreeEvent, firingEvent);
fp = (struct deferDeleteFiringHandlerParams *) malloc(sizeof (struct deferDeleteFiringHandlerParams));
if (fp == NULL)
testingTFatalf(t, "memory exhausted allocating storage for deleting firing event handler");
testingTDefer(t, deferFree, fp);
fp->e = firingEvent;
fp->id = uiEventAddHandler(fp->e, testWhileFiring, NULL, t);
testingTDefer(t, deferDeleteFiringHandler, fp);
uiEventFire(firingEvent, NULL, firingEvent);
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}