Vendor things

third-party/vendor/ttf-parser/tests/tables/ankr.rs

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+use std::num::NonZeroU16;
+use ttf_parser::GlyphId;
+use ttf_parser::ankr::{Table, Point};
+use crate::{convert, Unit::*};
+
+#[test]
+fn empty() {
+    let data = convert(&[
+        UInt16(0), // version
+        UInt16(0), // reserved
+        UInt32(0), // offset to lookup table
+        UInt32(0), // offset to glyphs data
+    ]);
+
+    let _ = Table::parse(NonZeroU16::new(1).unwrap(), &data).unwrap();
+}
+
+#[test]
+fn single() {
+    let data = convert(&[
+        UInt16(0), // version
+        UInt16(0), // reserved
+        UInt32(12), // offset to lookup table
+        UInt32(12 + 16), // offset to glyphs data
+
+        // Lookup Table
+        UInt16(6), // format
+
+        // Binary Search Table
+        UInt16(4), // segment size
+        UInt16(1), // number of segments
+        UInt16(0), // search range: we don't use it
+        UInt16(0), // entry selector: we don't use it
+        UInt16(0), // range shift: we don't use it
+
+        // Segment [0]
+        UInt16(0), // glyph
+        UInt16(0), // offset
+
+        // Glyphs Data
+        UInt32(1), // number of points
+        // Point [0]
+        Int16(-5), // x
+        Int16(11), // y
+    ]);
+
+    let table = Table::parse(NonZeroU16::new(1).unwrap(), &data).unwrap();
+    let points = table.points(GlyphId(0)).unwrap();
+    assert_eq!(points.get(0).unwrap(), Point { x: -5, y: 11 });
+}
+
+#[test]
+fn two_points() {
+    let data = convert(&[
+        UInt16(0), // version
+        UInt16(0), // reserved
+        UInt32(12), // offset to lookup table
+        UInt32(12 + 16), // offset to glyphs data
+
+        // Lookup Table
+        UInt16(6), // format
+
+        // Binary Search Table
+        UInt16(4), // segment size
+        UInt16(1), // number of segments
+        UInt16(0), // search range: we don't use it
+        UInt16(0), // entry selector: we don't use it
+        UInt16(0), // range shift: we don't use it
+
+        // Segment [0]
+        UInt16(0), // glyph
+        UInt16(0), // offset
+
+        // Glyphs Data
+        // Glyph Data [0]
+        UInt32(2), // number of points
+        // Point [0]
+        Int16(-5), // x
+        Int16(11), // y
+        // Point [1]
+        Int16(10), // x
+        Int16(-40), // y
+    ]);
+
+    let table = Table::parse(NonZeroU16::new(1).unwrap(), &data).unwrap();
+    let points = table.points(GlyphId(0)).unwrap();
+    assert_eq!(points.get(0).unwrap(), Point { x: -5, y: 11 });
+    assert_eq!(points.get(1).unwrap(), Point { x: 10, y: -40 });
+}
+
+#[test]
+fn two_glyphs() {
+    let data = convert(&[
+        UInt16(0), // version
+        UInt16(0), // reserved
+        UInt32(12), // offset to lookup table
+        UInt32(12 + 20), // offset to glyphs data
+
+        // Lookup Table
+        UInt16(6), // format
+
+        // Binary Search Table
+        UInt16(4), // segment size
+        UInt16(2), // number of segments
+        UInt16(0), // search range: we don't use it
+        UInt16(0), // entry selector: we don't use it
+        UInt16(0), // range shift: we don't use it
+
+        // Segment [0]
+        UInt16(0), // glyph
+        UInt16(0), // offset
+        // Segment [1]
+        UInt16(1), // glyph
+        UInt16(8), // offset
+
+        // Glyphs Data
+        // Glyph Data [0]
+        UInt32(1), // number of points
+        // Point [0]
+        Int16(-5), // x
+        Int16(11), // y
+        // Glyph Data [1]
+        UInt32(1), // number of points
+        // Point [0]
+        Int16(40), // x
+        Int16(10), // y
+    ]);
+
+    let table = Table::parse(NonZeroU16::new(1).unwrap(), &data).unwrap();
+    let points = table.points(GlyphId(0)).unwrap();
+    assert_eq!(points.get(0).unwrap(), Point { x: -5, y: 11 });
+    let points = table.points(GlyphId(1)).unwrap();
+    assert_eq!(points.get(0).unwrap(), Point { x: 40, y: 10 });
+}