1 files changed, 69 insertions, 0 deletions
diff --git a/tests/unit/style/logical_geometry.rs b/tests/unit/style/logical_geometry.rs
new file mode 100644
index 00000000000..98f481b0ef5
--- /dev/null
+++ b/tests/unit/style/logical_geometry.rs
@@ -0,0 +1,69 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use euclid::{Size2D, Point2D, SideOffsets2D, Rect};
+use style::logical_geometry::{FLAG_RTL, FLAG_VERTICAL, FLAG_VERTICAL_LR, FLAG_SIDEWAYS_LEFT};
+use style::logical_geometry::{WritingMode, LogicalSize, LogicalPoint, LogicalMargin, LogicalRect};
+
+#[cfg(test)]
+fn modes() -> [WritingMode; 10] {
+    [
+        WritingMode::empty(),
+        FLAG_VERTICAL,
+        FLAG_VERTICAL | FLAG_VERTICAL_LR,
+        FLAG_VERTICAL | FLAG_VERTICAL_LR | FLAG_SIDEWAYS_LEFT,
+        FLAG_VERTICAL | FLAG_SIDEWAYS_LEFT,
+        FLAG_RTL,
+        FLAG_VERTICAL | FLAG_RTL,
+        FLAG_VERTICAL | FLAG_VERTICAL_LR | FLAG_RTL,
+        FLAG_VERTICAL | FLAG_VERTICAL_LR | FLAG_SIDEWAYS_LEFT | FLAG_RTL,
+        FLAG_VERTICAL | FLAG_SIDEWAYS_LEFT | FLAG_RTL,
+    ]
+}
+
+#[test]
+fn test_size_round_trip() {
+    let physical = Size2D::new(1u32, 2u32);
+    for &mode in modes().iter() {
+        let logical = LogicalSize::from_physical(mode, physical);
+        assert!(logical.to_physical(mode) == physical);
+        assert!(logical.width(mode) == 1);
+        assert!(logical.height(mode) == 2);
+    }
+}
+
+#[test]
+fn test_point_round_trip() {
+    let physical = Point2D::new(1u32, 2u32);
+    let container = Size2D::new(100, 200);
+    for &mode in modes().iter() {
+        let logical = LogicalPoint::from_physical(mode, physical, container);
+        assert!(logical.to_physical(mode, container) == physical);
+        assert!(logical.x(mode, container) == 1);
+        assert!(logical.y(mode, container) == 2);
+    }
+}
+
+#[test]
+fn test_margin_round_trip() {
+    let physical = SideOffsets2D::new(1u32, 2u32, 3u32, 4u32);
+    for &mode in modes().iter() {
+        let logical = LogicalMargin::from_physical(mode, physical);
+        assert!(logical.to_physical(mode) == physical);
+        assert!(logical.top(mode) == 1);
+        assert!(logical.right(mode) == 2);
+        assert!(logical.bottom(mode) == 3);
+        assert!(logical.left(mode) == 4);
+    }
+}
+
+#[test]
+fn test_rect_round_trip() {
+    let physical = Rect::new(Point2D::new(1u32, 2u32), Size2D::new(3u32, 4u32));
+    let container = Size2D::new(100, 200);
+    for &mode in modes().iter() {
+        let logical = LogicalRect::from_physical(mode, physical, container);
+        assert!(logical.to_physical(mode, container) == physical);
+    }
+}