Add float to bytes conversion and vice-versa (#4989)

Co-authored-by: Laurenz <laurmaedje@gmail.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/tests/suite/foundations/float.typ b/tests/suite/foundations/float.typ
index 01769260..67d4acbf 100644
--- a/tests/suite/foundations/float.typ
+++ b/tests/suite/foundations/float.typ
@@ -42,6 +42,17 @@
 #test(float(-calc.inf).signum(), -1.0)
 #test(float(float.nan).signum().is-nan(), true)
 
+--- float-from-and-to-bytes ---
+// Test float `from-bytes()` and `to-bytes()`.
+#test(float.from-bytes(bytes((0, 0, 0, 0, 0, 0, 240, 63))), 1.0)
+#test(float.from-bytes(bytes((63, 240, 0, 0, 0, 0, 0, 0)), endian: "big"), 1.0)
+#test(1.0.to-bytes(), bytes((0, 0, 0, 0, 0, 0, 240, 63)))
+#test(1.0.to-bytes(endian: "big"), bytes((63, 240, 0, 0, 0, 0, 0, 0)))
+
+--- float-from-bytes-bad-length ---
+// Error: 2-54 bytes must have a length of exactly 8
+#float.from-bytes(bytes((0, 0, 0, 0, 0, 0, 0, 1, 0)))
+
 --- float-repr ---
 // Test the `repr` function with floats.
 #repr(12.0) \