diff --git a/tests/get-function.rs b/tests/get-function.rs
index 91da744..31583f6 100644
--- a/tests/get-function.rs
+++ b/tests/get-function.rs
@@ -116,3 +116,8 @@ test!(
     }",
     "a {\n  color: get-function(\"-test\");\n  color: get-function(\"-test\");\n}\n"
 );
+test!(
+    nested_call_and_get_function,
+    "a {\n  color: call(call(get-function(get-function), darken), red, 10%);\n}\n",
+    "a {\n  color: #cc0000;\n}\n"
+);
diff --git a/tests/if.rs b/tests/if.rs
index 7032ccc..13a0f43 100644
--- a/tests/if.rs
+++ b/tests/if.rs
@@ -135,6 +135,11 @@ test!(
     @else if not comparable($p, 0) {}",
     ""
 );
+test!(
+    at_rule_inside_ruleset,
+    "@mixin foo {\n    color: red;\n}\n\n@if true {\n    a {\n        @include foo;\n    }\n}\n",
+    "a {\n  color: red;\n}\n"
+);
 error!(
     nothing_after_escape,
     "@if \\", "Error: Expected expression."
diff --git a/tests/styles.rs b/tests/styles.rs
index ee5100b..d0d9fb7 100644
--- a/tests/styles.rs
+++ b/tests/styles.rs
@@ -124,6 +124,11 @@ test!(
     "a {\n  webkit: {\n    webkit: {\n     color: red;\n    }\n  }\n}\n",
     "a {\n  webkit-webkit-color: red;\n}\n"
 );
+test!(
+    no_space_after_colon_before_nested_style,
+    "a {\n    foo:{\n        bar: baz\n    }\n}\n",
+    "a {\n  foo-bar: baz;\n}\n"
+);
 test!(
     no_space_between_colon,
     "a {\n  color:red;\n}\n",