ibus: make context release explicit

tests/ibus_test.c

@@ -0,0 +1,71 @@
+#include "../ibus.c"
+#include "../cutest/cutest.h"
+
+void
+ibus_context_lifecycle(struct ct *t)
+{
+	Channel *oldkeyc, *oldreplyc;
+	DBusConnection *c1, *c2;
+	Ictx *a, *b;
+	Keyreq req;
+	Keyres res;
+
+	oldkeyc = keyc;
+	oldreplyc = replyc;
+	keyc = chancreate(sizeof(Keyreq), 2);
+	replyc = chancreate(sizeof(Keyres), 2);
+	memset(contexts, 0, sizeof contexts);
+	c1 = malloc(1);
+	c2 = malloc(1);
+	if(!CT_CHECK(t, c1 != nil && c2 != nil))
+		goto cleanup;
+	a = newcontext(c1, "/context/one");
+	b = newcontext(c2, "/context/one");
+	if(!CT_CHECK(t, a != nil && b != nil && a != b))
+		goto cleanup;
+	CT_EQ_PTR(t, a, findcontext(c1, "/context/one"));
+	CT_EQ_PTR(t, b, findcontext(c2, "/context/one"));
+	CT_EQ_PTR(t, nil, findcontext(c1, "/context/missing"));
+
+	a->caret.valid = 1;
+	releasecontext(a);
+	CT_CHECK(t, channbrecv(keyc, &req) <= 0);
+	CT_CHECK(t, !a->caret.valid);
+
+	a->focused = 1;
+	a->caret.valid = 1;
+	memset(&res, 0, sizeof res);
+	chansend(replyc, &res);
+	releasecontext(a);
+	if(CT_CHECK(t, channbrecv(keyc, &req) > 0)){
+		CT_EQ_PTR(t, a, req.owner);
+		CT_EQ_INT(t, Keyrelease, req.op);
+		CT_EQ_PTR(t, replyc, req.reply);
+	}
+	CT_CHECK(t, !a->focused);
+	CT_CHECK(t, !a->caret.valid);
+	releasecontext(a);
+	CT_CHECK(t, channbrecv(keyc, &req) <= 0);
+
+	dropcontext(a);
+	CT_CHECK(t, channbrecv(keyc, &req) <= 0);
+	CT_EQ_PTR(t, nil, findcontext(c1, "/context/one"));
+	CT_EQ_PTR(t, a, newcontext(c1, "/context/reused"));
+
+	b->focused = 1;
+	chansend(replyc, &res);
+	dropcontext(b);
+	if(CT_CHECK(t, channbrecv(keyc, &req) > 0)){
+		CT_EQ_PTR(t, b, req.owner);
+		CT_EQ_INT(t, Keyrelease, req.op);
+	}
+	CT_EQ_PTR(t, nil, findcontext(c2, "/context/one"));
+cleanup:
+	memset(contexts, 0, sizeof contexts);
+	free(c1);
+	free(c2);
+	chanfree(keyc);
+	chanfree(replyc);
+	keyc = oldkeyc;
+	replyc = oldreplyc;
+}