regcomp.c: Rename a variable

[perl5.git] / t / op / chr.t

diff --git a/t/op/chr.t b/t/op/chr.t
index 510492e..e0a51eb 100644 (file)
--- a/t/op/chr.t
+++ b/t/op/chr.t
@@ -2,11 +2,11 @@
 
 BEGIN {
     chdir 't' if -d 't';
-    @INC = qw(. ../lib); # ../lib needed for test.deparse
-    require "test.pl";
+    require "./test.pl";
+    set_up_inc(qw(. ../lib)); # ../lib needed for test.deparse
 }
 
-plan tests => 38;
+plan tests => 45;
 
 # Note that t/op/ord.t already tests for chr() <-> ord() rountripping.
 
@@ -30,6 +30,7 @@ is(chr(-3.0), "\x{FFFD}");
     is(chr(-2  ), "\xFE");
     is(chr(-3.0), "\xFD");
 }
+
 # Make sure -1 is treated the same way when coming from a tied variable
 sub TIESCALAR {bless[]}
 sub STORE { $_[0][0] = $_[1] }
@@ -40,9 +41,17 @@ $t = -2; is chr $t, chr -2, 'chr $tied when $tied is -2';
 $t = -1.1; is chr $t, chr -1.1, 'chr $tied when $tied is -1.1';
 $t = -2.2; is chr $t, chr -2.2, 'chr $tied when $tied is -2.2';
 
+# And that stringy scalars are treated likewise
+is chr "-1", chr -1, 'chr "-1" eq chr -1';
+is chr "-2", chr -2, 'chr "-2" eq chr -2';
+is chr "-1.1", chr -1.1, 'chr "-1.1" eq chr -1.1';
+is chr "-2.2", chr -2.2, 'chr "-2.2" eq chr -2.2';
+
 # Check UTF-8 (not UTF-EBCDIC).
 SKIP: {
-    skip "no UTF-8 on EBCDIC", 21 if chr(193) eq 'A';
+    skip "UTF-8 ASCII centric tests", 21 if $::IS_EBCDIC;
+    # Too hard to convert these tests generically to EBCDIC code pages without
+    # using chr(), which is what we're testing.
 
 sub hexes {
     no warnings 'utf8'; # avoid surrogate and beyond Unicode warnings
@@ -73,3 +82,11 @@ sub hexes {
     is(hexes(0x200000), "f8 88 80 80 80");
 }
 
+package o {
+    use overload
+        '""' => sub { ++$o::str; "42" },
+        '0+' => sub { ++$o::num; 42 };
+}
+is chr(bless [], "o"), chr(42), 'overloading called';
+is $o::str, undef, 'chr does not call string overloading';
+is $o::num, 1,     'chr does call num overloading';