[vala/wip/foreach: 7/7] tests: Add "GenericArray foreach" tests to increase coverage

[Rico Tzschichholz <ricotz src gnome org>]

commit 37c23f1ed88fc9056ebb0f2d99ef17b93bd78276
Author: Corentin Noël <corentin elementary io>
Date:   Mon Nov 9 15:17:37 2020 +0100

    tests: Add "GenericArray foreach" tests to increase coverage

 tests/basic-types/gptrarray.vala | 48 ++++++++++++++++++++++++++++++++++++++++
 tests/control-flow/foreach.vala  | 36 ++++++++++++++++++++++++++++++
 2 files changed, 84 insertions(+)
---
diff --git a/tests/basic-types/gptrarray.vala b/tests/basic-types/gptrarray.vala
index 6d8aa2d1a..1b5d6c622 100644
--- a/tests/basic-types/gptrarray.vala
+++ b/tests/basic-types/gptrarray.vala
@@ -26,6 +26,30 @@ void main () {
                assert (foo3.ref_count == 2);
                assert (array.length == 3);
 
+               int loop_size = 0;
+               foreach (weak Foo element in array) {
+                       loop_size++;
+                       assert (element.ref_count == 2);
+                       switch (loop_size) {
+                               case 1: assert (element == foo1); break;
+                               case 2: assert (element == foo2); break;
+                               case 3: assert (element == foo3); break;
+                       }
+               }
+               assert (loop_size == 3);
+
+               loop_size = 0;
+               foreach (Foo element in array) {
+                       loop_size++;
+                       assert (element.ref_count == 3);
+                       switch (loop_size) {
+                               case 1: assert (element == foo1); break;
+                               case 2: assert (element == foo2); break;
+                               case 3: assert (element == foo3); break;
+                       }
+               }
+               assert (loop_size == 3);
+
                assert (foo2 == array.get (1));
                array.set (1, foo4);
                assert (foo4 == array.get (1));
@@ -73,6 +97,30 @@ void main () {
                assert (foo3.ref_count == 1);
                assert (array.length == 3);
 
+               int loop_size = 0;
+               foreach (weak Foo element in array) {
+                       loop_size++;
+                       assert (element.ref_count == 1);
+                       switch (loop_size) {
+                               case 1: assert (element == foo1); break;
+                               case 2: assert (element == foo2); break;
+                               case 3: assert (element == foo3); break;
+                       }
+               }
+               assert (loop_size == 3);
+
+               loop_size = 0;
+               foreach (Foo element in array) {
+                       loop_size++;
+                       assert (element.ref_count == 2);
+                       switch (loop_size) {
+                               case 1: assert (element == foo1); break;
+                               case 2: assert (element == foo2); break;
+                               case 3: assert (element == foo3); break;
+                       }
+               }
+               assert (loop_size == 3);
+
                assert (foo2 == array.get (1));
                array.set (1, foo4);
                assert (foo4 == array.get (1));
diff --git a/tests/control-flow/foreach.vala b/tests/control-flow/foreach.vala
index 6a36453fd..052e03d3c 100644
--- a/tests/control-flow/foreach.vala
+++ b/tests/control-flow/foreach.vala
@@ -33,6 +33,41 @@ void test_foreach_gvaluearray () {
        test_unowned (array);
 }
 
+void test_generic_array_owned (GenericArray<Value?> array) {
+       uint i = 0;
+
+       foreach (Value? item in array) {
+               i++;
+       }
+
+       assert (i == 3);
+}
+
+void test_generic_array_unowned (GenericArray<Value?> array) {
+       uint i = 0;
+
+       foreach (unowned Value? item in array) {
+               i++;
+       }
+
+       assert (i == 3);
+}
+
+void test_foreach_genericarray () {
+       Value value;
+       var array = new GenericArray<Value?> ();
+
+       value = 1;
+       array.add (value);
+       value = 2.0;
+       array.add (value);
+       value = "three";
+       array.add (value);
+
+       test_generic_array_owned (array);
+       test_generic_array_unowned (array);
+}
+
 void test_foreach_multidim_array () {
        int[,] foo = { { 1, 2 }, { 3, 4 }, { 5, 6 } };
        string result = "";
@@ -70,6 +105,7 @@ void test_foreach_slice_array () {
 
 void main () {
        test_foreach_gvaluearray ();
+       test_foreach_genericarray ();
        test_foreach_const_array ();
        test_foreach_multidim_array ();
        test_foreach_slice_array ();