Re-instate all the warnings checks that don't work on Win32, but with

a SKIP that triggers on Win32. (So that they get tested elsewhere)

p4raw-id: //depot/perl@34319

1 files changed, 56 insertions, 4 deletions

diff --git a/t/lib/warnings/9uninit b/t/lib/warnings/9uninit
index fe8cf02002..e0b186a648 100644
--- a/t/lib/warnings/9uninit
+++ b/t/lib/warnings/9uninit
@@ -1417,12 +1417,8 @@ use warnings 'uninitialized';
 # ops that can return undef for defined args
 # split into separate tests to diagnose the cause of daily build smoke
 #
-my $nocmd  = '/no/such/command';
 # *** `` not tested: Windows produces an error on STDERR
 # *** ditto qx()
-# *** -k not tested: Produces no warning on Windows
-my $nan = "NaN";
-# *** ($nan <=> 1) not tested: NaN not supported on Windows
 # *** pipe() not tested
 # *** ioctl not tested
 # *** socket not tested
@@ -1445,6 +1441,62 @@ my $nan = "NaN";
 EXPECT
 ########
 use warnings 'uninitialized';
+if ($^O eq 'MSWin32') {
+    print <<'EOM';
+SKIPPED
+# `` produces an error on STDERR on Win32
+EOM
+    exit;
+} 
+my $nocmd  = '/no/such/command';
+my $v;
+$v = 1 + `$nocmd`;
+EXPECT
+Use of uninitialized value in addition (+) at - line 11.
+########
+use warnings 'uninitialized';
+if ($^O eq 'MSWin32') {
+    print <<'EOM';
+SKIPPED
+# qx produces an error on STDERR on Win32
+EOM
+    exit;
+} 
+my $nocmd  = '/no/such/command';
+my $v;
+$v = 1 + qx($nocmd);
+EXPECT
+Use of uninitialized value in addition (+) at - line 11.
+########
+use warnings 'uninitialized';
+my $nan = "NaN";
+if ($nan == $nan) {
+    print <<'EOM';
+SKIPPED
+# NaN not supported here.
+EOM
+    exit;
+} 
+my $v;
+$v = 1 + ($nan <=> 1);
+EXPECT
+Use of uninitialized value in addition (+) at - line 11.
+########
+use warnings 'uninitialized';
+if ($^O eq 'MSWin32') {
+    print <<'EOM';
+SKIPPED
+# -k produces no warning on Win32
+EOM
+    exit;
+} 
+my $nofile = '/no/such/file';
+my $v;
+$v = 1 + -k $nofile;
+EXPECT
+Use of uninitialized value in addition (+) at - line 11.
+########
+use warnings 'uninitialized';
 my $nofile = '/no/such/file';
 my $v;
 my $f = "";