[vala/0.54] tests: Add "async signal handler" test to increase coverage

[Rico Tzschichholz <ricotz src gnome org>]

commit 1845abb6de814856b5ab970f43ab3ee637db2559
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Wed Jan 5 08:25:19 2022 +0100

    tests: Add "async signal handler" test to increase coverage

 tests/Makefile.am                       |   1 +
 tests/asynchronous/bug602594.c-expected | 437 ++++++++++++++++++++++++++++++++
 tests/asynchronous/bug602594.vala       |  18 ++
 3 files changed, 456 insertions(+)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index bbd9a9c86..d35e5e6a6 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -685,6 +685,7 @@ TESTS = \
        asynchronous/bug599568.vala \
        asynchronous/bug600827.vala \
        asynchronous/bug601558.vala \
+       asynchronous/bug602594.vala \
        asynchronous/bug612641.vala \
        asynchronous/bug613484.vala \
        asynchronous/bug614294.vala \
diff --git a/tests/asynchronous/bug602594.c-expected b/tests/asynchronous/bug602594.c-expected
new file mode 100644
index 000000000..9786ce54a
--- /dev/null
+++ b/tests/asynchronous/bug602594.c-expected
@@ -0,0 +1,437 @@
+/* asynchronous_bug602594.c generated by valac, the Vala compiler
+ * generated from asynchronous_bug602594.vala, do not modify */
+
+#include <glib-object.h>
+#include <stdlib.h>
+#include <string.h>
+#include <glib.h>
+#include <gobject/gvaluecollector.h>
+#include <gio/gio.h>
+
+#if !defined(VALA_EXTERN)
+#if defined(_MSC_VER)
+#define VALA_EXTERN __declspec(dllexport) extern
+#elif __GNUC__ >= 4
+#define VALA_EXTERN __attribute__((visibility("default"))) extern
+#else
+#define VALA_EXTERN extern
+#endif
+#endif
+
+#define TYPE_FOO (foo_get_type ())
+#define FOO(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_FOO, Foo))
+#define FOO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_FOO, FooClass))
+#define IS_FOO(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_FOO))
+#define IS_FOO_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_FOO))
+#define FOO_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_FOO, FooClass))
+
+typedef struct _Foo Foo;
+typedef struct _FooClass FooClass;
+typedef struct _FooPrivate FooPrivate;
+typedef struct _ParamSpecFoo ParamSpecFoo;
+enum  {
+       FOO_BAR_SIGNAL,
+       FOO_NUM_SIGNALS
+};
+static guint foo_signals[FOO_NUM_SIGNALS] = {0};
+#define _g_free0(var) (var = (g_free (var), NULL))
+typedef struct _CallbackData CallbackData;
+#define _foo_unref0(var) ((var == NULL) ? NULL : (var = (foo_unref (var), NULL)))
+#define _vala_assert(expr, msg) if G_LIKELY (expr) ; else g_assertion_message_expr (G_LOG_DOMAIN, __FILE__, 
__LINE__, G_STRFUNC, msg);
+#define _vala_return_if_fail(expr, msg) if G_LIKELY (expr) ; else { g_return_if_fail_warning (G_LOG_DOMAIN, 
G_STRFUNC, msg); return; }
+#define _vala_return_val_if_fail(expr, msg, val) if G_LIKELY (expr) ; else { g_return_if_fail_warning 
(G_LOG_DOMAIN, G_STRFUNC, msg); return val; }
+#define _vala_warn_if_fail(expr, msg) if G_LIKELY (expr) ; else g_warn_message (G_LOG_DOMAIN, __FILE__, 
__LINE__, G_STRFUNC, msg);
+
+struct _Foo {
+       GTypeInstance parent_instance;
+       volatile int ref_count;
+       FooPrivate * priv;
+};
+
+struct _FooClass {
+       GTypeClass parent_class;
+       void (*finalize) (Foo *self);
+};
+
+struct _ParamSpecFoo {
+       GParamSpec parent_instance;
+};
+
+struct _CallbackData {
+       int _state_;
+       GObject* _source_object_;
+       GAsyncResult* _res_;
+       GTask* _async_result;
+       gchar* s;
+       gboolean b;
+};
+
+static gpointer foo_parent_class = NULL;
+VALA_EXTERN gboolean success;
+gboolean success = FALSE;
+
+VALA_EXTERN gpointer foo_ref (gpointer instance);
+VALA_EXTERN void foo_unref (gpointer instance);
+VALA_EXTERN GParamSpec* param_spec_foo (const gchar* name,
+                            const gchar* nick,
+                            const gchar* blurb,
+                            GType object_type,
+                            GParamFlags flags);
+VALA_EXTERN void value_set_foo (GValue* value,
+                    gpointer v_object);
+VALA_EXTERN void value_take_foo (GValue* value,
+                     gpointer v_object);
+VALA_EXTERN gpointer value_get_foo (const GValue* value);
+VALA_EXTERN GType foo_get_type (void) G_GNUC_CONST ;
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (Foo, foo_unref)
+VALA_EXTERN Foo* foo_new (void);
+VALA_EXTERN Foo* foo_construct (GType object_type);
+static void g_cclosure_user_marshal_VOID__STRING_BOOLEAN (GClosure * closure,
+                                                   GValue * return_value,
+                                                   guint n_param_values,
+                                                   const GValue * param_values,
+                                                   gpointer invocation_hint,
+                                                   gpointer marshal_data);
+static void foo_finalize (Foo * obj);
+static GType foo_get_type_once (void);
+static void callback_data_free (gpointer _data);
+VALA_EXTERN void callback (const gchar* s,
+               gboolean b,
+               GAsyncReadyCallback _callback_,
+               gpointer _user_data_);
+VALA_EXTERN void callback_finish (GAsyncResult* _res_);
+static gboolean callback_co (CallbackData* _data_);
+static void _vala_main (void);
+static void _callback_foo_bar (Foo* _sender,
+                        const gchar* s,
+                        gboolean b,
+                        gpointer self);
+
+Foo*
+foo_construct (GType object_type)
+{
+       Foo* self = NULL;
+       self = (Foo*) g_type_create_instance (object_type);
+       return self;
+}
+
+Foo*
+foo_new (void)
+{
+       return foo_construct (TYPE_FOO);
+}
+
+static void
+g_cclosure_user_marshal_VOID__STRING_BOOLEAN (GClosure * closure,
+                                              GValue * return_value,
+                                              guint n_param_values,
+                                              const GValue * param_values,
+                                              gpointer invocation_hint,
+                                              gpointer marshal_data)
+{
+       typedef void (*GMarshalFunc_VOID__STRING_BOOLEAN) (gpointer data1, const char* arg_1, gboolean arg_2, 
gpointer data2);
+       register GMarshalFunc_VOID__STRING_BOOLEAN callback;
+       register GCClosure * cc;
+       register gpointer data1;
+       register gpointer data2;
+       cc = (GCClosure *) closure;
+       g_return_if_fail (n_param_values == 3);
+       if (G_CCLOSURE_SWAP_DATA (closure)) {
+               data1 = closure->data;
+               data2 = param_values->data[0].v_pointer;
+       } else {
+               data1 = param_values->data[0].v_pointer;
+               data2 = closure->data;
+       }
+       callback = (GMarshalFunc_VOID__STRING_BOOLEAN) (marshal_data ? marshal_data : cc->callback);
+       callback (data1, g_value_get_string (param_values + 1), g_value_get_boolean (param_values + 2), 
data2);
+}
+
+static void
+value_foo_init (GValue* value)
+{
+       value->data[0].v_pointer = NULL;
+}
+
+static void
+value_foo_free_value (GValue* value)
+{
+       if (value->data[0].v_pointer) {
+               foo_unref (value->data[0].v_pointer);
+       }
+}
+
+static void
+value_foo_copy_value (const GValue* src_value,
+                      GValue* dest_value)
+{
+       if (src_value->data[0].v_pointer) {
+               dest_value->data[0].v_pointer = foo_ref (src_value->data[0].v_pointer);
+       } else {
+               dest_value->data[0].v_pointer = NULL;
+       }
+}
+
+static gpointer
+value_foo_peek_pointer (const GValue* value)
+{
+       return value->data[0].v_pointer;
+}
+
+static gchar*
+value_foo_collect_value (GValue* value,
+                         guint n_collect_values,
+                         GTypeCValue* collect_values,
+                         guint collect_flags)
+{
+       if (collect_values[0].v_pointer) {
+               Foo * object;
+               object = collect_values[0].v_pointer;
+               if (object->parent_instance.g_class == NULL) {
+                       return g_strconcat ("invalid unclassed object pointer for value type `", 
G_VALUE_TYPE_NAME (value), "'", NULL);
+               } else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
+                       return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE 
(object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+               }
+               value->data[0].v_pointer = foo_ref (object);
+       } else {
+               value->data[0].v_pointer = NULL;
+       }
+       return NULL;
+}
+
+static gchar*
+value_foo_lcopy_value (const GValue* value,
+                       guint n_collect_values,
+                       GTypeCValue* collect_values,
+                       guint collect_flags)
+{
+       Foo ** object_p;
+       object_p = collect_values[0].v_pointer;
+       if (!object_p) {
+               return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
+       }
+       if (!value->data[0].v_pointer) {
+               *object_p = NULL;
+       } else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
+               *object_p = value->data[0].v_pointer;
+       } else {
+               *object_p = foo_ref (value->data[0].v_pointer);
+       }
+       return NULL;
+}
+
+GParamSpec*
+param_spec_foo (const gchar* name,
+                const gchar* nick,
+                const gchar* blurb,
+                GType object_type,
+                GParamFlags flags)
+{
+       ParamSpecFoo* spec;
+       g_return_val_if_fail (g_type_is_a (object_type, TYPE_FOO), NULL);
+       spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
+       G_PARAM_SPEC (spec)->value_type = object_type;
+       return G_PARAM_SPEC (spec);
+}
+
+gpointer
+value_get_foo (const GValue* value)
+{
+       g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_FOO), NULL);
+       return value->data[0].v_pointer;
+}
+
+void
+value_set_foo (GValue* value,
+               gpointer v_object)
+{
+       Foo * old;
+       g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_FOO));
+       old = value->data[0].v_pointer;
+       if (v_object) {
+               g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_FOO));
+               g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE 
(value)));
+               value->data[0].v_pointer = v_object;
+               foo_ref (value->data[0].v_pointer);
+       } else {
+               value->data[0].v_pointer = NULL;
+       }
+       if (old) {
+               foo_unref (old);
+       }
+}
+
+void
+value_take_foo (GValue* value,
+                gpointer v_object)
+{
+       Foo * old;
+       g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_FOO));
+       old = value->data[0].v_pointer;
+       if (v_object) {
+               g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_FOO));
+               g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE 
(value)));
+               value->data[0].v_pointer = v_object;
+       } else {
+               value->data[0].v_pointer = NULL;
+       }
+       if (old) {
+               foo_unref (old);
+       }
+}
+
+static void
+foo_class_init (FooClass * klass,
+                gpointer klass_data)
+{
+       foo_parent_class = g_type_class_peek_parent (klass);
+       ((FooClass *) klass)->finalize = foo_finalize;
+       foo_signals[FOO_BAR_SIGNAL] = g_signal_new ("bar", TYPE_FOO, G_SIGNAL_RUN_LAST, 0, NULL, NULL, 
g_cclosure_user_marshal_VOID__STRING_BOOLEAN, G_TYPE_NONE, 2, G_TYPE_STRING, G_TYPE_BOOLEAN);
+}
+
+static void
+foo_instance_init (Foo * self,
+                   gpointer klass)
+{
+       self->ref_count = 1;
+}
+
+static void
+foo_finalize (Foo * obj)
+{
+       Foo * self;
+       self = G_TYPE_CHECK_INSTANCE_CAST (obj, TYPE_FOO, Foo);
+       g_signal_handlers_destroy (self);
+}
+
+static GType
+foo_get_type_once (void)
+{
+       static const GTypeValueTable g_define_type_value_table = { value_foo_init, value_foo_free_value, 
value_foo_copy_value, value_foo_peek_pointer, "p", value_foo_collect_value, "p", value_foo_lcopy_value };
+       static const GTypeInfo g_define_type_info = { sizeof (FooClass), (GBaseInitFunc) NULL, 
(GBaseFinalizeFunc) NULL, (GClassInitFunc) foo_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (Foo), 0, 
(GInstanceInitFunc) foo_instance_init, &g_define_type_value_table };
+       static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | 
G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
+       GType foo_type_id;
+       foo_type_id = g_type_register_fundamental (g_type_fundamental_next (), "Foo", &g_define_type_info, 
&g_define_type_fundamental_info, 0);
+       return foo_type_id;
+}
+
+GType
+foo_get_type (void)
+{
+       static volatile gsize foo_type_id__volatile = 0;
+       if (g_once_init_enter (&foo_type_id__volatile)) {
+               GType foo_type_id;
+               foo_type_id = foo_get_type_once ();
+               g_once_init_leave (&foo_type_id__volatile, foo_type_id);
+       }
+       return foo_type_id__volatile;
+}
+
+gpointer
+foo_ref (gpointer instance)
+{
+       Foo * self;
+       self = instance;
+       g_atomic_int_inc (&self->ref_count);
+       return instance;
+}
+
+void
+foo_unref (gpointer instance)
+{
+       Foo * self;
+       self = instance;
+       if (g_atomic_int_dec_and_test (&self->ref_count)) {
+               FOO_GET_CLASS (self)->finalize (self);
+               g_type_free_instance ((GTypeInstance *) self);
+       }
+}
+
+static void
+callback_data_free (gpointer _data)
+{
+       CallbackData* _data_;
+       _data_ = _data;
+       _g_free0 (_data_->s);
+       g_slice_free (CallbackData, _data_);
+}
+
+void
+callback (const gchar* s,
+          gboolean b,
+          GAsyncReadyCallback _callback_,
+          gpointer _user_data_)
+{
+       CallbackData* _data_;
+       gchar* _tmp0_;
+       g_return_if_fail (s != NULL);
+       _data_ = g_slice_new0 (CallbackData);
+       _data_->_async_result = g_task_new (NULL, NULL, _callback_, _user_data_);
+       g_task_set_task_data (_data_->_async_result, _data_, callback_data_free);
+       _tmp0_ = g_strdup (s);
+       _g_free0 (_data_->s);
+       _data_->s = _tmp0_;
+       _data_->b = b;
+       callback_co (_data_);
+}
+
+void
+callback_finish (GAsyncResult* _res_)
+{
+       CallbackData* _data_;
+       _data_ = g_task_propagate_pointer (G_TASK (_res_), NULL);
+}
+
+static gboolean
+callback_co (CallbackData* _data_)
+{
+       switch (_data_->_state_) {
+               case 0:
+               goto _state_0;
+               default:
+               g_assert_not_reached ();
+       }
+       _state_0:
+       _vala_assert (g_strcmp0 (_data_->s, "foo") == 0, "s == \"foo\"");
+       _vala_assert (_data_->b, "b");
+       success = TRUE;
+       g_task_return_pointer (_data_->_async_result, _data_, NULL);
+       if (_data_->_state_ != 0) {
+               while (!g_task_get_completed (_data_->_async_result)) {
+                       g_main_context_iteration (g_task_get_context (_data_->_async_result), TRUE);
+               }
+       }
+       g_object_unref (_data_->_async_result);
+       return FALSE;
+}
+
+static void
+_callback_foo_bar (Foo* _sender,
+                   const gchar* s,
+                   gboolean b,
+                   gpointer self)
+{
+       callback (s, b, NULL, NULL);
+}
+
+static void
+_vala_main (void)
+{
+       Foo* foo = NULL;
+       Foo* _tmp0_;
+       _tmp0_ = foo_new ();
+       foo = _tmp0_;
+       g_signal_connect (foo, "bar", (GCallback) _callback_foo_bar, NULL);
+       g_signal_emit (foo, foo_signals[FOO_BAR_SIGNAL], 0, "foo", TRUE);
+       _vala_assert (success, "success");
+       _foo_unref0 (foo);
+}
+
+int
+main (int argc,
+      char ** argv)
+{
+       _vala_main ();
+       return 0;
+}
+
diff --git a/tests/asynchronous/bug602594.vala b/tests/asynchronous/bug602594.vala
new file mode 100644
index 000000000..5c8129312
--- /dev/null
+++ b/tests/asynchronous/bug602594.vala
@@ -0,0 +1,18 @@
+class Foo {
+       public signal void bar (string s, bool b);
+}
+
+async void callback (string s, bool b) {
+       assert (s == "foo");
+       assert (b);
+       success = true;
+}
+
+bool success = false;
+
+void main() {
+       var foo = new Foo ();
+       foo.bar.connect (callback);
+       foo.bar ("foo", true);
+       assert (success);
+}