1 files changed, 92 insertions, 0 deletions
diff --git a/tests/common/test_contracts.c b/tests/common/test_contracts.c
index 4e22de1..8580dd6 100644
--- a/tests/common/test_contracts.c
+++ b/tests/common/test_contracts.c
@@ -232,6 +232,97 @@ static void test_scale(void)
     assert(yasl_scale_to_logical(1, 0) == 0);
 }
 
+static int popup_calls;
+static struct yasl_surface *popup_create(struct yasl_surface *parent,
+        const struct yasl_popup_spec *spec)
+{
+    (void)parent; (void)spec;
+    popup_calls++;
+    return NULL; /* Backend fails without setting errno. */
+}
+
+static bool popup_reposition(struct yasl_surface *popup,
+        const struct yasl_popup_spec *spec)
+{
+    (void)popup; (void)spec;
+    popup_calls++;
+    errno = EBUSY;
+    return false;
+}
+
+static uint32_t popup_caps(const struct yasl_display *d)
+{ (void)d; return YASL_CAP_POPUPS; }
+
+static int dispatch_failure(struct yasl_display *d, int timeout)
+{ (void)d; (void)timeout; return -1; }
+
+static struct yasl_surface *create_failure(struct yasl_display *d,
+        const struct yasl_surface_spec *spec, void *device)
+{ (void)d; (void)spec; (void)device; return NULL; }
+
+static int drag_starts;
+static bool drag_without_listener(struct yasl_display *d, struct yasl_surface *s,
+        const struct yasl_drag_image *image, const struct yasl_drag_listener *listener,
+        void *ud)
+{
+    (void)d; (void)s; (void)image; (void)ud;
+    /* Backends may require a table even when no completion callback is needed. */
+    assert(listener && !listener->end);
+    drag_starts++;
+    return true;
+}
+
+static void test_errors(void)
+{
+    const struct yasl_backend_ops ops = {.display_caps = popup_caps,
+        .surface_create_toplevel = create_failure,
+        .surface_create_popup = popup_create,
+        .surface_popup_reposition = popup_reposition,
+        .display_drag_start = drag_without_listener,
+        .display_dispatch_timeout = dispatch_failure};
+    struct yasl_display d = {.ops = &ops};
+    struct yasl_surface s = {.display = &d};
+    struct yasl_popup_spec spec = {.size = {120, 80}, .anchor = {0, 0, 1, 1}};
+    assert(!yasl_surface_create_popup(NULL, &spec) && errno == EINVAL);
+    assert(!yasl_surface_create_popup(&s, NULL) && errno == EINVAL);
+    spec.anchor.width = -1; /* Must not reach Wayland's protocol marshaler. */
+    assert(!yasl_surface_create_popup(&s, &spec) && errno == EINVAL);
+    assert(!yasl_surface_popup_reposition(&s, &spec) && errno == EINVAL);
+    spec.anchor.width = 1;
+    spec.content_offset.x = INT_MAX;
+    spec.content_size.x = INT_MAX;
+    assert(!yasl_surface_create_popup(&s, &spec) && errno == EINVAL);
+    spec.content_offset.x = spec.content_size.x = 0;
+    spec.size.x = 32768;
+    assert(!yasl_surface_create_popup(&s, &spec) && errno == EINVAL);
+    assert(!popup_calls);
+    spec.size.x = 120;
+    errno = ERANGE;
+    assert(!yasl_surface_create_popup(&s, &spec) && errno == ENODEV);
+    assert(!yasl_surface_popup_reposition(&s, &spec) && errno == EBUSY);
+    assert(popup_calls == 2);
+    const struct yasl_backend_ops unsupported = {0};
+    d.ops = &unsupported;
+    assert(!yasl_surface_create_popup(&s, &spec) && errno == ENOTSUP);
+    assert(!yasl_surface_popup_reposition(&s, &spec) && errno == ENOTSUP);
+    assert(yasl_display_dispatch(&d, 0) == -1 && errno == ENOTSUP);
+    assert(yasl_display_dispatch(NULL, 0) == -1 && errno == EINVAL);
+    d.ops = &ops;
+    errno = ERANGE;
+    assert(yasl_display_dispatch(&d, 0) == -1 && errno == EIO);
+    struct yasl_surface_spec toplevel = {.size = {120, 80}};
+    errno = ERANGE;
+    assert(!yasl_surface_create_toplevel(&d, &toplevel) && errno == ENODEV);
+    assert(yasl_display_drag_start(&d, &s, NULL, NULL, NULL));
+    struct yasl_drag_image image = {.size = {1, 1}};
+    assert(!yasl_display_drag_start(&d, &s, &image, NULL, NULL));
+    uint32_t pixel = 0;
+    image.pixels = &pixel;
+    image.size.x = INT_MAX;
+    assert(!yasl_display_drag_start(&d, &s, &image, NULL, NULL));
+    assert(drag_starts == 1);
+}
+
 int main(void)
 {
     test_timing_clock();
@@ -239,5 +330,6 @@ int main(void)
     test_validation();
     test_native();
     test_scale();
+    test_errors();
     return 0;
 }