Add test case for potential integer overflow in OT layout code (#144)

LaurenzV · web-flow · commit 7386be4e5016 · 2024-11-09T14:59:02.000+03:00
diff --git a/tests/custom/bugs.tests b/tests/custom/bugs.tests
@@ -1,2 +1,3 @@
 tests/fonts/rb_custom/NotoSansCJK.subset1.otf;--direction rtl;U+4F60,U+597D,U+FF0C;
 tests/fonts/rb_custom/OpenSans.subset1.ttf;--variations=wght=500,wdth=80;U+0065;
+tests/fonts/rb_custom/NotoSansMalayalam.subset1.ttf;;U+0D38,U+0D4D,U+0D25;
diff --git a/tests/fonts/rb_custom/NotoSansMalayalam.subset1.ttf b/tests/fonts/rb_custom/NotoSansMalayalam.subset1.ttf
diff --git a/tests/shaping/custom.rs b/tests/shaping/custom.rs
@@ -28,6 +28,18 @@ fn bugs_002() {
     );
 }
 
+#[test]
+fn bugs_003() {
+    assert_eq!(
+        shape(
+            "tests/fonts/rb_custom/NotoSansMalayalam.subset1.ttf",
+            "\u{0D38}\u{0D4D}\u{0D25}",
+            "",
+        ),
+        "gid7=0+1891"
+    );
+}
+
 #[test]
 fn fuzzer_001() {
     assert_eq!(

Original file line number	Diff line number	Diff line change
`@@ -1,2 +1,3 @@`
`1`	`1`	`tests/fonts/rb_custom/NotoSansCJK.subset1.otf;--direction rtl;U+4F60,U+597D,U+FF0C;`
`2`	`2`	`tests/fonts/rb_custom/OpenSans.subset1.ttf;--variations=wght=500,wdth=80;U+0065;`
	`3`	`+tests/fonts/rb_custom/NotoSansMalayalam.subset1.ttf;;U+0D38,U+0D4D,U+0D25;`