The pack tests now better in C90 (after the packnative patches).

p4raw-id: //depot/cfgperl@2955

diff --git a/t/op/pack.t b/t/op/pack.t
index 3b8ee35..3e31e36 100755 (executable)
--- a/t/op/pack.t
+++ b/t/op/pack.t
@@ -268,6 +268,24 @@ print "ok ", $test++, "\n";
 
 # 79..94: test the limits
 
+# Some possibilities for $Config{byteorder} and $Config{.*size}.
+# Note that CPUs can feature at several places.
+#
+# Config
+#
+# byteorder
+#
+# 1234         x86, vax, (DEC) mips
+# 12345678     alpha
+# 4321         sparc, ppc, hppa, (IRIX) mips, motorola
+# 87654321     sparc, mips, hppa, cray
+#
+#              x86     alpha   sparc   cray
+# shortsize    2       2       2       8
+# intsize      4       4       4       8
+# longsize     4       8       8       8
+#
+
 print "not " unless unpack("c", pack("c",  127)) ==  127;
 print "ok ", $test++, "\n";
 
@@ -280,8 +298,17 @@ print "ok ", $test++, "\n";
 print "not " unless unpack("s", pack("s",  32767)) ==  32767;
 print "ok ", $test++, "\n";
 
-print "not " unless unpack("s", pack("s", -32768)) == -32768;
-print "ok ", $test++, "\n";
+if ($Config{shortsize} == 2) {
+    print "not " unless unpack("s", pack("s", -32768)) == -32768;
+    print "ok ", $test++, "\n";
+} else {
+    if ($Config{shortsize} == 8 && $Config{byteorder} eq '87654321') {
+        print "not " unless unpack("s_", pack("s_", -32768)) == -32768;
+        print "ok ", $test++, "\n";
+    } else {
+        print "ok ", $test++, " # skipped\n";
+    }
+}
 
 print "not " unless unpack("S", pack("S",  65535)) ==  65535;
 print "ok ", $test++, "\n";
@@ -298,8 +325,18 @@ print "ok ", $test++, "\n";
 print "not " unless unpack("l", pack("l",  2147483647)) ==  2147483647;
 print "ok ", $test++, "\n";
 
-print "not " unless unpack("l", pack("l", -2147483648)) == -2147483648;
-print "ok ", $test++, "\n";
+if ($Config{longsize} == 4 || $Config{byteorder} eq '12345678') {
+    print "not " unless unpack("l", pack("l", -2147483648)) == -2147483648;
+    print "ok ", $test++, "\n";
+} else {
+    if ($Config{shortsize} == 8 && $Config{byteorder} eq '87654321') {
+        print "not "
+            unless unpack("l_", pack("l_", -2147483648)) == -2147483648;
+        print "ok ", $test++, "\n";
+    } else {
+        print "ok ", $test++, " # skipped\n";
+    }
+}
 
 print "not " unless unpack("L", pack("L",  4294967295)) ==  4294967295;
 print "ok ", $test++, "\n";
@@ -307,36 +344,67 @@ print "ok ", $test++, "\n";
 print "not " unless unpack("n", pack("n",  65535)) == 65535;
 print "ok ", $test++, "\n";
 
-print "not " unless unpack("n", pack("v",  65535)) == 65535;
-print "ok ", $test++, "\n";
+if ($Config{shortsize} == 2) {
+    print "not " unless unpack("v", pack("v",  65535)) == 65535;
+    print "ok ", $test++, "\n";
+} else {
+    print "ok ", $test++, " # skipped\n";
+}
 
 print "not " unless unpack("N", pack("N",  4294967295)) ==  4294967295;
 print "ok ", $test++, "\n";
 
-print "not " unless unpack("V", pack("V",  4294967295)) ==  4294967295;
-print "ok ", $test++, "\n";
+if ($Config{longsize} == 4 || $Config{byteorder} eq '12345678') {
+    print "not " unless unpack("V", pack("V",  4294967295)) ==  4294967295;
+    print "ok ", $test++, "\n";
+} else {
+    print "ok ", $test++, " # skipped\n";
+}
 
 # 95..98 test the n/v/N/V byteorder
 
 if ($Config{byteorder} =~ /^1234(5678)?$/ ||
     $Config{byteorder} =~ /^(8765)?4321$/) {
 
-print "not " unless pack("n", 0xdead) eq "\xde\xad";
-print "ok ", $test++, "\n";
-
-print "not " unless pack("v", 0xdead) eq "\xad\xde";
-print "ok ", $test++, "\n";
-
-print "not " unless pack("N", 0xdeadbeef) eq "\xde\xad\xbe\xef";
-print "ok ", $test++, "\n";
-
-print "not " unless pack("V", 0xdeadbeef) eq "\xef\xbe\xad\xde";
-print "ok ", $test++, "\n";
-
+    if ($Config{shortsize} == 2 ||
+        $Config{byteorder} eq '87654321') {
+        print "not " unless pack("n", 0xdead) eq "\xde\xad";
+        print "ok ", $test++, "\n";
+
+        if ($Config{byteorder} ne '87654321') {
+            print "not " unless pack("v", 0xdead) eq "\xad\xde";
+            print "ok ", $test++, "\n";
+        } else {
+            print "ok ", $test++, " # skipped\n";
+        }
+    } else {
+        # shortsize != 2 systems require more thought
+        foreach (95..96) {
+            print "ok ", $test++, " # skipped\n";
+        }
+    }
+
+    if ($Config{longsize} == 4 ||
+        $Config{byteorder} eq '12345678' ||
+        $Config{byteorder} eq '87654321') {
+        print "not " unless pack("N", 0xdeadbeef) eq "\xde\xad\xbe\xef";
+        print "ok ", $test++, "\n";
+
+        if ($Config{byteorder} ne '87654321') {
+            print "not " unless pack("V", 0xdeadbeef) eq "\xef\xbe\xad\xde";
+            print "ok ", $test++, "\n";
+        } else {
+            print "ok ", $test++, " # skipped\n";
+        }
+    } else {
+        # exotic longsize != 2 systems require more thought
+        foreach (97..98) {
+            print "ok ", $test++, " # skipped\n";
+        }
+    }
 } else {
-   # weird byteorders require more thought 
+   # exotic byteorder system require more thought 
    foreach (95..98) {
        print "ok ", $test++, " # skipped\n";
    }
 }
-