From 526e43b36d8bf24a6a387b29604ad2f123415865 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Thu, 6 May 2021 17:14:53 -0400
Subject: Add basic test for stub backend

---
 test/meson.build |  1 +
 test/test_stub.c | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 80 insertions(+)
 create mode 100644 test/test_stub.c

(limited to 'test')

diff --git a/test/meson.build b/test/meson.build
index 3f8da96..c650e5c 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -6,6 +6,7 @@ basic_tests = [
   'show_hide',
   'size',
   'strerror',
+  'stub',
   'stub_hints',
   'timer',
   'update',
diff --git a/test/test_stub.c b/test/test_stub.c
new file mode 100644
index 0000000..4295af9
--- /dev/null
+++ b/test/test_stub.c
@@ -0,0 +1,79 @@
+/*
+  Copyright 2021 David Robillard <d@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.
+*/
+
+// Basic test that ensures a view can be created with a stub backend
+
+#undef NDEBUG
+
+#include "test_utils.h"
+
+#include "pugl/pugl.h"
+#include "pugl/stub.h"
+
+#include <assert.h>
+#include <stdbool.h>
+
+typedef struct {
+  PuglWorld*      world;
+  PuglView*       view;
+  PuglTestOptions opts;
+  bool            exposed;
+} PuglTest;
+
+static PuglStatus
+onEvent(PuglView* const view, const PuglEvent* const event)
+{
+  PuglTest* const test = (PuglTest*)puglGetHandle(view);
+
+  if (test->opts.verbose) {
+    printEvent(event, "Event: ", true);
+  }
+
+  if (event->type == PUGL_EXPOSE) {
+    assert(!puglGetContext(view));
+    test->exposed = true;
+  }
+
+  return PUGL_SUCCESS;
+}
+
+int
+main(int argc, char** argv)
+{
+  PuglWorld* const      world = puglNewWorld(PUGL_PROGRAM, 0);
+  PuglView* const       view  = puglNewView(world);
+  const PuglTestOptions opts  = puglParseTestOptions(&argc, &argv);
+  PuglTest              test  = {world, view, opts, false};
+
+  // Set up and show view
+  puglSetClassName(test.world, "Pugl Stub Test");
+  puglSetHandle(test.view, &test);
+  puglSetBackend(test.view, puglStubBackend());
+  puglSetEventFunc(test.view, onEvent);
+  puglSetDefaultSize(test.view, 512, 512);
+  puglShow(test.view);
+
+  // Drive event loop until the view gets exposed
+  while (!test.exposed) {
+    puglUpdate(test.world, -1.0);
+  }
+
+  // Tear down
+  puglFreeView(test.view);
+  puglFreeWorld(test.world);
+
+  return 0;
+}
-- 
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