tests: Add "subtype cycle" tests to increase coverage

3 files changed, 30 insertions, 0 deletions

diff --git a/tests/resolver/class-base-cycle.test b/tests/resolver/class-base-cycle.test
new file mode 100644
index 000000000..5951253fc
--- /dev/null
+++ b/tests/resolver/class-base-cycle.test
@@ -0,0 +1,10 @@
+Invalid Code
+
+class Bar : Foo {
+}
+
+class Foo : Bar {
+}
+
+void main () {
+}
diff --git a/tests/resolver/interface-prerequisite-cycle.test b/tests/resolver/interface-prerequisite-cycle.test
new file mode 100644
index 000000000..585c7db5c
--- /dev/null
+++ b/tests/resolver/interface-prerequisite-cycle.test
@@ -0,0 +1,10 @@
+Invalid Code
+
+interface IBar : IFoo {
+}
+
+interface IFoo : IBar {
+}
+
+void main () {
+}
diff --git a/tests/resolver/struct-base-cycle.test b/tests/resolver/struct-base-cycle.test
new file mode 100644
index 000000000..111c7d89f
--- /dev/null
+++ b/tests/resolver/struct-base-cycle.test
@@ -0,0 +1,10 @@
+Invalid Code
+
+struct Bar : Foo {
+}
+
+struct Foo : Bar {
+}
+
+void main () {
+}