From c462509adfd68e8b849b8a6713360fb4f9026578 Mon Sep 17 00:00:00 2001
From: Robin Haberkorn <robin.haberkorn@googlemail.com>
Date: Thu, 10 Apr 2025 02:00:58 +0300
Subject: fixed formatting of the smallest possible integer

* In other words, fixed `-9223372036854775808\` on --with-teco-integer=64
  (which is the default).
* The reason is that ABS(G_MININT64) == G_MININT64 since -G_MININT64 == G_MININT64.
  It is therefore important not to call ABS() on arbitrary teco_int_t's.
---
 tests/atlocal.in   | 7 +++++++
 tests/testsuite.at | 9 +++++++++
 2 files changed, 16 insertions(+)

(limited to 'tests')

diff --git a/tests/atlocal.in b/tests/atlocal.in
index 8465f96..1992c54 100644
--- a/tests/atlocal.in
+++ b/tests/atlocal.in
@@ -26,6 +26,13 @@ ESCAPE=`printf '\33'`
 # is used.
 SCITECOPATH="@abs_top_srcdir@/lib"
 
+TECO_INTEGER=@TECO_INTEGER@
+
+MAXINT32=2147483647
+MININT32=-2147483648
+MAXINT64=9223372036854775807
+MININT64=-9223372036854775808
+
 GREP="@GREP@"
 
 # Glib debug options
diff --git a/tests/testsuite.at b/tests/testsuite.at
index 20a76c5..d8d88e1 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -117,6 +117,15 @@ AT_CHECK([$SCITECO -e "[[\$ @FG'..' ]]\$ :Q\$-1Q\$-^^r\"=(0/0)'"], 0, ignore, ig
 AT_CHECK([$SCITECO -e "[[: @I/XXX/ ]]: .\"N(0/0)'"], 0, ignore, ignore)
 AT_CLEANUP
 
+AT_SETUP([Formatting numbers])
+# MAXINT32/MININT32: should always work.
+AT_CHECK([$SCITECO -e "$MAXINT32\\ J::@S/$MAXINT32/\"F(0/0)'"], 0, ignore, ignore)
+AT_CHECK([$SCITECO -e "$MININT32\\ J::@S/$MININT32/\"F(0/0)'"], 0, ignore, ignore)
+AT_SKIP_IF([test $TECO_INTEGER -lt 64])
+AT_CHECK([$SCITECO -e "$MAXINT64\\ J::@S/$MAXINT64/\"F(0/0)'"], 0, ignore, ignore)
+AT_CHECK([$SCITECO -e "$MININT64\\ J::@S/$MININT64/\"F(0/0)'"], 0, ignore, ignore)
+AT_CLEANUP
+
 AT_SETUP([Convert between line and glyph positions])
 AT_CHECK([$SCITECO -e "@I/1^J2^J3/J 2^QC :^Q-3\"N(0/0)'"], 0, ignore, ignore)
 AT_CLEANUP
-- 
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