diff --git a/.gitignore b/.gitignore
index acc5107..117929f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 /node_modules
 .DS_Store
 test/rendering/layers/
-test/rendering/cache/
\ No newline at end of file
+test/rendering/cache/
+test/rendering-mss/npm-debug.log
\ No newline at end of file
diff --git a/test/rendering-mss/basic_attachment_internal.mss b/test/rendering-mss/basic_attachment_internal.mss
new file mode 100644
index 0000000..ca0c38b
--- /dev/null
+++ b/test/rendering-mss/basic_attachment_internal.mss
@@ -0,0 +1,9 @@
+#layer {
+  // default attachement comes before
+  line-color: chartreuse;
+  line-width: 10;
+  ::inline {
+    line-color: lime;
+    line-width: 5;
+  }
+}
\ No newline at end of file
diff --git a/test/rendering-mss/basic_attachment_internal.xml b/test/rendering-mss/basic_attachment_internal.xml
new file mode 100644
index 0000000..6abf66d
--- /dev/null
+++ b/test/rendering-mss/basic_attachment_internal.xml
@@ -0,0 +1,10 @@
+<Style name="style-inline" filter-mode="first">
+  <Rule>
+    <LineSymbolizer stroke="#00ff00" stroke-width="5" />
+  </Rule>
+</Style>
+<Style name="style" filter-mode="first">
+  <Rule>
+    <LineSymbolizer stroke="#7fff00" stroke-width="10" />
+  </Rule>
+</Style>
\ No newline at end of file
diff --git a/test/rendering-mss/basic_attachment_internal_before.mss b/test/rendering-mss/basic_attachment_internal_before.mss
new file mode 100644
index 0000000..3aa1911
--- /dev/null
+++ b/test/rendering-mss/basic_attachment_internal_before.mss
@@ -0,0 +1,9 @@
+#layer {
+  ::outline {
+    line-color: aliceblue;
+    line-width: 5;
+  }
+  // default attachement comes after
+  line-color: orchid;
+  line-width: 10;
+}
\ No newline at end of file
diff --git a/test/rendering-mss/basic_attachment_internal_before.xml b/test/rendering-mss/basic_attachment_internal_before.xml
new file mode 100644
index 0000000..b14446d
--- /dev/null
+++ b/test/rendering-mss/basic_attachment_internal_before.xml
@@ -0,0 +1,10 @@
+<Style name="style" filter-mode="first">
+  <Rule>
+    <LineSymbolizer stroke="#da70d6" stroke-width="10" />
+  </Rule>
+</Style>
+<Style name="style-outline" filter-mode="first">
+  <Rule>
+    <LineSymbolizer stroke="#f0f8ff" stroke-width="5" />
+  </Rule>
+</Style>
\ No newline at end of file
diff --git a/test/rendering-mss/basic_attachment_internal_before_and_after.mss b/test/rendering-mss/basic_attachment_internal_before_and_after.mss
new file mode 100644
index 0000000..0734f91
--- /dev/null
+++ b/test/rendering-mss/basic_attachment_internal_before_and_after.mss
@@ -0,0 +1,12 @@
+#layer {
+  ::outline {
+    line-color: salmon;
+    line-width: 10;
+  }
+  line-color: coral;
+  line-width: 5;
+  ::inline {
+    line-color: moccasin;
+    line-width: 1;
+  }
+}
\ No newline at end of file
diff --git a/test/rendering-mss/basic_attachment_internal_before_and_after.xml b/test/rendering-mss/basic_attachment_internal_before_and_after.xml
new file mode 100644
index 0000000..dac38ef
--- /dev/null
+++ b/test/rendering-mss/basic_attachment_internal_before_and_after.xml
@@ -0,0 +1,15 @@
+<Style name="style-inline" filter-mode="first">
+  <Rule>
+    <LineSymbolizer stroke="#ffe4b5" stroke-width="1" />
+  </Rule>
+</Style>
+<Style name="style" filter-mode="first">
+  <Rule>
+    <LineSymbolizer stroke="#ff7f50" stroke-width="5" />
+  </Rule>
+</Style>
+<Style name="style-outline" filter-mode="first">
+  <Rule>
+    <LineSymbolizer stroke="#fa8072" stroke-width="10" />
+  </Rule>
+</Style>
\ No newline at end of file
diff --git a/test/rendering-mss/basic_attachment_internal_double.mss b/test/rendering-mss/basic_attachment_internal_double.mss
new file mode 100644
index 0000000..618c224
--- /dev/null
+++ b/test/rendering-mss/basic_attachment_internal_double.mss
@@ -0,0 +1,10 @@
+#layer {
+  ::outline {
+    line-color: whitesmoke;
+    line-width: 10;
+  }
+  ::inline {
+    line-color: mintcream;
+    line-width: 5;
+  }
+}
\ No newline at end of file
diff --git a/test/rendering-mss/basic_attachment_internal_double.xml b/test/rendering-mss/basic_attachment_internal_double.xml
new file mode 100644
index 0000000..d388f73
--- /dev/null
+++ b/test/rendering-mss/basic_attachment_internal_double.xml
@@ -0,0 +1,11 @@
+
+<Style name="style-inline" filter-mode="first">
+  <Rule>
+    <LineSymbolizer stroke="#f5fffa" stroke-width="5" />
+  </Rule>
+</Style>
+<Style name="style-outline" filter-mode="first">
+  <Rule>
+    <LineSymbolizer stroke="#f5f5f5" stroke-width="10" />
+  </Rule>
+</Style>
\ No newline at end of file
diff --git a/test/rendering-mss/basic_attachment_internal_with_label.mss b/test/rendering-mss/basic_attachment_internal_with_label.mss
new file mode 100644
index 0000000..842ee10
--- /dev/null
+++ b/test/rendering-mss/basic_attachment_internal_with_label.mss
@@ -0,0 +1,11 @@
+#places {
+  marker-width: 10;
+  marker-allow-overlap: true;
+  marker-fill: peru;
+  ::label {
+    text-face-name: "DejaVu Sans Book";
+    text-name: "'1'";
+    text-fill: tomato;
+    text-allow-overlap: true;
+  }
+}
diff --git a/test/rendering-mss/basic_attachment_internal_with_label.xml b/test/rendering-mss/basic_attachment_internal_with_label.xml
new file mode 100644
index 0000000..59f75f1
--- /dev/null
+++ b/test/rendering-mss/basic_attachment_internal_with_label.xml
@@ -0,0 +1,10 @@
+<Style name="style-label" filter-mode="first">
+  <Rule>
+    <TextSymbolizer face-name="DejaVu Sans Book" fill="#ff6347" allow-overlap="true" ><![CDATA['1']]></TextSymbolizer>
+  </Rule>
+</Style>
+<Style name="style" filter-mode="first">
+  <Rule>
+    <MarkersSymbolizer width="10" allow-overlap="true" fill="#cd853f" />
+  </Rule>
+</Style>
\ No newline at end of file