testsuite: Add testcase for z clipping

the near and far clipping plane are at -10000 and 10000 respectively.
Test that the renderers respect that.

2 files changed, 28 insertions, 0 deletions

diff --git a/testsuite/gsk/compare/z-transform-clipping-bounds-3d.node b/testsuite/gsk/compare/z-transform-clipping-bounds-3d.node
new file mode 100644
index 0000000000..ebd4b09bd9
--- /dev/null
+++ b/testsuite/gsk/compare/z-transform-clipping-bounds-3d.node
@@ -0,0 +1,28 @@
+transform {
+  transform: translate3d(0, 0, -10000);
+  child: color {
+    bounds: 0 0 50 50;
+    color: rgb(255,0,0);
+  }
+}
+transform {
+  transform: translate3d(0, 0, -10001);
+  child: color {
+    bounds: 50 0 50 50;
+    color: rgb(255,255,0);
+  }
+}
+transform {
+  transform: translate3d(0, 0, 10000);
+  child: color {
+    bounds: 0 50 50 50;
+    color: rgb(0,255,0);
+  }
+}
+transform {
+  transform: translate3d(0, 0, 10001);
+  child: color {
+    bounds: 50 50 50 50;
+    color: rgb(0,0,255);
+  }
+}
diff --git a/testsuite/gsk/compare/z-transform-clipping-bounds-3d.png b/testsuite/gsk/compare/z-transform-clipping-bounds-3d.png
new file mode 100644
index 0000000000..433e3c560f
--- /dev/null
+++ b/testsuite/gsk/compare/z-transform-clipping-bounds-3d.png