1 files changed, 82 insertions, 0 deletions
diff --git a/t/003_is_hybrid.t b/t/003_is_hybrid.t
new file mode 100644
index 0000000..37ccbcd
--- /dev/null
+++ b/t/003_is_hybrid.t
@@ -0,0 +1,82 @@
+#
+#
+#
+use Test::Most;
+
+bail_on_fail;
+
+my ($image_path) = @ARGV;
+
+ok (is_hybrid($image_path, 0), "Is hybrid");
+
+# Verification if the Iso is hybrid
+sub is_hybrid {
+    my ($img, $full) = @_;
+
+    open(my $iso, $img);
+    my $hybrid = hybrid1($iso);
+    $hybrid   &= hybrid2($iso);
+    $hybrid   &= hybrid3($iso);
+    if ($full) {
+        # system "dd if=$img of=/dev/my-pendrive bs=8";
+    }
+    close($iso);
+
+    return $hybrid;
+}
+
+
+# Check the first 512 bytes of the iso
+sub hybrid1 {
+    my ($iso) = @_;
+    my $buffer;
+    my $hybrid;
+
+    foreach (0 .. 512) {
+        read($iso, $buffer, 1);
+        if ($buffer ne '\x00') {
+            $hybrid = 1;
+        }
+    }
+
+    return $hybrid;
+}
+
+#Check the 0x1fe & 0x1ff bytes of the iso
+sub hybrid2 {
+    my ($iso) = @_;
+    my $hybrid;
+    my $buffer;
+    my $byte = "\x55";
+
+    seek($iso, 0x1fe, 0);
+    read($iso, $buffer, 1);
+    if ($buffer eq $byte) {
+        read($iso, $buffer, 1);
+        $byte = "\xaa";
+        if ($buffer eq $byte) {
+            $hybrid = 1;
+        }
+    }
+
+    return $hybrid;
+}
+
+# check from the 0x200 to the 0x8000 bytes
+sub hybrid3 {
+    my ($iso)  = @_;
+    my $hybrid = 1;
+    my $buffer;
+
+    seek($iso, 0x200, 0);
+    foreach (0x200 .. 0x8000) {
+        read($iso, $buffer, 1);
+        if ($buffer eq '\x00') {
+            $hybrid = 0;
+        }
+    }
+
+    return $hybrid;
+}
+
+done_testing();