diff --git a/testsuite/gsk/meson.build b/testsuite/gsk/meson.build
index a66f50e618..d5343da62e 100644
--- a/testsuite/gsk/meson.build
+++ b/testsuite/gsk/meson.build
@@ -207,6 +207,8 @@ node_parser_tests = [
   'gradient-fail.node',
   'gradient-fail.ref.node',
   'gradient-fail.errors',
+  'mask-modes.node',
+  'mask-modes.ref.node',
   'radial-gradient.node',
   'radial-gradient.ref.node',
   'repeating-linear-gradient.node',
diff --git a/testsuite/gsk/nodeparser/mask-modes.node b/testsuite/gsk/nodeparser/mask-modes.node
new file mode 100644
index 0000000000..5666334f23
--- /dev/null
+++ b/testsuite/gsk/nodeparser/mask-modes.node
@@ -0,0 +1,47 @@
+mask {
+  mode: alpha;
+  source: color {
+    bounds: 0 0 30 30;
+    color: red;
+  }
+  mask: color {
+    bounds: 15 15 30 30;
+    color: white;
+  }
+}
+
+mask {
+  mode: inverted-alpha;
+  source: color {
+    bounds: 50 0 30 30;
+    color: lime;
+  }
+  mask: color {
+    bounds: 65 15 30 30;
+    color: white;
+  }
+}
+
+mask {
+  mode: luminance;
+  source: color {
+    bounds: 0 50 30 30;
+    color: yellow;
+  }
+  mask: color {
+    bounds: 15 65 30 30;
+    color: white;
+  }
+}
+
+mask {
+  mode: inverted-luminance;
+  source: color {
+    bounds: 50 50 30 30;
+    color: blue;
+  }
+  mask: color {
+    bounds: 65 65 30 30;
+    color: white;
+  }
+}
diff --git a/testsuite/gsk/nodeparser/mask-modes.ref.node b/testsuite/gsk/nodeparser/mask-modes.ref.node
new file mode 100644
index 0000000000..dc696f6fcd
--- /dev/null
+++ b/testsuite/gsk/nodeparser/mask-modes.ref.node
@@ -0,0 +1,43 @@
+mask {
+  source: color {
+    bounds: 0 0 30 30;
+    color: rgb(255,0,0);
+  }
+  mask: color {
+    bounds: 15 15 30 30;
+    color: rgb(255,255,255);
+  }
+}
+mask {
+  mode: inverted-alpha;
+  source: color {
+    bounds: 50 0 30 30;
+    color: rgb(0,255,0);
+  }
+  mask: color {
+    bounds: 65 15 30 30;
+    color: rgb(255,255,255);
+  }
+}
+mask {
+  mode: luminance;
+  source: color {
+    bounds: 0 50 30 30;
+    color: rgb(255,255,0);
+  }
+  mask: color {
+    bounds: 15 65 30 30;
+    color: rgb(255,255,255);
+  }
+}
+mask {
+  mode: inverted-luminance;
+  source: color {
+    bounds: 50 50 30 30;
+    color: rgb(0,0,255);
+  }
+  mask: color {
+    bounds: 65 65 30 30;
+    color: rgb(255,255,255);
+  }
+}