Vendor things

third-party/vendor/ttf-parser-0.15.2/tests/tables/maxp.rs

@@ -0,0 +1,65 @@
+use std::num::NonZeroU16;
+use ttf_parser::maxp::Table;
+use crate::{convert, Unit::*};
+
+#[test]
+fn version_05() {
+    let table = Table::parse(&convert(&[
+        Fixed(0.3125), // version
+        UInt16(1), // number of glyphs
+    ])).unwrap();
+    assert_eq!(table.number_of_glyphs, NonZeroU16::new(1).unwrap());
+}
+
+#[test]
+fn version_1_full() {
+    let table = Table::parse(&convert(&[
+        Fixed(1.0), // version
+        UInt16(1), // number of glyphs
+        UInt16(0), // maximum points in a non-composite glyph
+        UInt16(0), // maximum contours in a non-composite glyph
+        UInt16(0), // maximum points in a composite glyph
+        UInt16(0), // maximum contours in a composite glyph
+        UInt16(0), // maximum zones
+        UInt16(0), // maximum twilight points
+        UInt16(0), // number of Storage Area locations
+        UInt16(0), // number of FDEFs
+        UInt16(0), // number of IDEFs
+        UInt16(0), // maximum stack depth
+        UInt16(0), // maximum byte count for glyph instructions
+        UInt16(0), // maximum number of components
+        UInt16(0), // maximum levels of recursion
+    ])).unwrap();
+    assert_eq!(table.number_of_glyphs, NonZeroU16::new(1).unwrap());
+}
+
+#[test]
+fn version_1_trimmed() {
+    // We don't really care about the data after the number of glyphs.
+    let table = Table::parse(&convert(&[
+        Fixed(1.0), // version
+        UInt16(1), // number of glyphs
+    ])).unwrap();
+    assert_eq!(table.number_of_glyphs, NonZeroU16::new(1).unwrap());
+}
+
+#[test]
+fn unknown_version() {
+    let table = Table::parse(&convert(&[
+        Fixed(0.0), // version
+        UInt16(1), // number of glyphs
+    ]));
+    assert!(table.is_none());
+}
+
+#[test]
+fn zero_glyphs() {
+    let table = Table::parse(&convert(&[
+        Fixed(0.3125), // version
+        UInt16(0), // number of glyphs
+    ]));
+    assert!(table.is_none());
+}
+
+// TODO: what to do when the number of glyphs is 0xFFFF?
+//       we're actually checking this in loca