diff options
| -rw-r--r-- | test/test_redisplay.c | 133 | ||||
| -rw-r--r-- | wscript | 2 |
2 files changed, 134 insertions, 1 deletions
diff --git a/test/test_redisplay.c b/test/test_redisplay.c new file mode 100644 index 0000000..f5f0707 --- /dev/null +++ b/test/test_redisplay.c @@ -0,0 +1,133 @@ +/* + Copyright 2020 David Robillard <http://drobilla.net> + + Permission to use, copy, modify, and/or distribute this software for any + purpose with or without fee is hereby granted, provided that the above + copyright notice and this permission notice appear in all copies. + + THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +*/ + +/* + Tests that redisplays posted in the event handler are dispatched at the end + of the same event loop iteration. +*/ + +#undef NDEBUG + +#include "test_utils.h" + +#include "pugl/pugl.h" +#include "pugl/pugl_stub.h" + +#include <assert.h> +#include <stdbool.h> +#include <stddef.h> +#include <stdint.h> + +typedef enum { + START, + EXPOSED, + SHOULD_REDISPLAY, + POSTED_REDISPLAY, + REDISPLAYED, +} State; + +typedef struct +{ + PuglTestOptions opts; + PuglWorld* world; + PuglView* view; + State state; +} PuglTest; + +static const PuglRect redisplayRect = {1, 2, 3, 4}; +static const uintptr_t postRedisplayId = 42; + +static PuglStatus +onEvent(PuglView* view, const PuglEvent* event) +{ + PuglTest* test = (PuglTest*)puglGetHandle(view); + + if (test->opts.verbose) { + printEvent(event, "Event: ", true); + } + + switch (event->type) { + case PUGL_EXPOSE: + if (test->state == START) { + test->state = EXPOSED; + } else if (test->state == POSTED_REDISPLAY && + event->expose.x == redisplayRect.x && + event->expose.y == redisplayRect.y && + event->expose.width == redisplayRect.width && + event->expose.height == redisplayRect.height) { + test->state = REDISPLAYED; + } + break; + + case PUGL_CLIENT: + if (event->client.data1 == postRedisplayId) { + puglPostRedisplayRect(view, redisplayRect); + test->state = POSTED_REDISPLAY; + } + break; + + default: break; + } + + return PUGL_SUCCESS; +} + +static void +tick(PuglWorld* world) +{ + assert(!puglPollEvents(world, -1)); + assert(!puglDispatchEvents(world)); +} + +int +main(int argc, char** argv) +{ + PuglTest app = {puglParseTestOptions(&argc, &argv), + puglNewWorld(), + NULL, + START}; + + // Set up view + app.view = puglNewView(app.world); + puglSetClassName(app.world, "Pugl Test"); + puglSetBackend(app.view, puglStubBackend()); + puglSetHandle(app.view, &app); + puglSetEventFunc(app.view, onEvent); + + // Create and show window + assert(!puglCreateWindow(app.view, "Pugl Test")); + assert(!puglShowWindow(app.view)); + while (app.state != EXPOSED) { + tick(app.world); + } + + // Send a custom event to trigger a redisplay in the event loop + const PuglEventClient client = { PUGL_CLIENT, 0, postRedisplayId, 0 }; + assert(!puglSendEvent(app.view, (const PuglEvent*)&client)); + + // Loop until an expose happens in the same iteration as the redisplay + app.state = SHOULD_REDISPLAY; + while (app.state != REDISPLAYED) { + tick(app.world); + assert(app.state != POSTED_REDISPLAY); + } + + // Tear down + puglFreeView(app.view); + puglFreeWorld(app.world); + + return 0; +} @@ -177,7 +177,7 @@ def _build_pc_file(bld, name, desc, target, libname, deps={}, requires=[]): LIBS=' '.join(link_flags)) -tests = ['show_hide'] +tests = ['redisplay', 'show_hide'] def build(bld): |