import some (modified) MS tests

[p5sagit/Function-Parameters.git] / t / foreign / Method-Signatures / defaults.t

diff --git a/t/foreign/Method-Signatures/defaults.t b/t/foreign/Method-Signatures/defaults.t
new file mode 100644 (file)
index 0000000..c15c8a0
--- /dev/null
+++ b/t/foreign/Method-Signatures/defaults.t
@@ -0,0 +1,83 @@
+#!perl
+use strict;
+use warnings FATAL => 'all';
+
+use Test::More 'no_plan';
+
+{
+    package Stuff;
+
+    use Test::More;
+    use Function::Parameters qw(:strict);
+
+    method add($this = 23, $that = 42) {
+        return $this + $that;
+    }
+
+    method minus($this = 23, $that = 42) {
+        return $this - $that;
+    }
+
+    is( Stuff->add(),    23 + 42 );
+    is( Stuff->add(99),  99 + 42 );
+    is( Stuff->add(2,3), 5 );
+
+    is( Stuff->minus(),         23 - 42 );
+    is( Stuff->minus(99),       99 - 42 );
+    is( Stuff->minus(2, 3),     2 - 3 );
+
+
+    # Test that undef overrides defaults
+    method echo($message = "what?") {
+        return $message
+    }
+
+    is( Stuff->echo(),          "what?" );
+    is( Stuff->echo(undef),     undef   );
+    is( Stuff->echo("who?"),    'who?'  );
+
+
+    # Test that you can reference earlier args in a default
+    method copy_cat($this, $that = $this) {
+        return $that;
+    }
+
+    is( Stuff->copy_cat("wibble"), "wibble" );
+    is( Stuff->copy_cat(23, 42),   42 );
+}
+
+
+{
+    package Bar;
+    use Test::More;
+    use Function::Parameters qw(:strict);
+
+    method hello($msg = "Hello, world!") {
+        return $msg;
+    }
+
+    is( Bar->hello,               "Hello, world!" );
+    is( Bar->hello("Greetings!"), "Greetings!" );
+
+
+    method hi($msg = q,Hi,) {
+        return $msg;
+    }
+
+    is( Bar->hi,                "Hi" );
+    is( Bar->hi("Yo"),          "Yo" );
+
+
+#    method list(@args = (1,2,3)) {
+#        return @args;
+#    }
+#
+#    is_deeply [Bar->list()], [1,2,3];
+
+
+    method code($num, $code = sub { $num + 2 }) {
+        return $code->();
+    }
+
+    is( Bar->code(42), 44 );
+}