On 28/09/2026 16:37, Iván Ezequiel Rodriguez wrote:
Exercise %a without depending on a particular hex form: many
valid representations of the same value exist. Round-trip through
%.10f and check the 0x/0X prefix. Fold into printf.sh rather than
a separate test file.
Suggested by Pádraig Brady.
Signed-off-by: Iván Ezequiel Rodriguez <[email protected]>
---
tests/printf/printf.sh | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tests/printf/printf.sh b/tests/printf/printf.sh
index ad47868..305f5c1 100755
--- a/tests/printf/printf.sh
+++ b/tests/printf/printf.sh
@@ -148,5 +148,10 @@ $prog '%.70000f' 1 > out || fail=1
test "$(wc -c < out)" = 70002 || fail=1
test "$(tr -d 0 < out)" = '1.' || fail=1
+# %a hex-float: round-trip rather than matching a particular hex form
+# (many valid representations of the same value exist).
+fv=0.0009765625
+test $($prog '%.10f' $($prog %a $fv)) = $fv || fail=1
+$prog %a $fv | grep '^0[xX]' || fail=1
Exit $fail
I pushed that after using a standard description of the form
* file: What changed.
I also removed the redundant Signed-off-by: tag.
thanks!
Padraig
