Don't use require in comp/fold.t, as require isn't tested yet.

Emit TAP directly.

1 files changed, 39 insertions, 3 deletions

diff --git a/t/comp/fold.t b/t/comp/fold.t
index 0e507c3a25..23e8e89b62 100644
--- a/t/comp/fold.t
+++ b/t/comp/fold.t
@@ -1,12 +1,11 @@
 #!./perl -w
 
-require './test.pl';
-
 # Uncomment this for testing, but don't leave it in for "production", as
 # we've not yet verified that use works.
 # use strict;
 
-plan (13);
+print "1..13\n";
+my $test = 0;
 
 # Historically constant folding was performed by evaluating the ops, and if
 # they threw an exception compilation failed. This was seen as buggy, because
@@ -16,6 +15,43 @@ plan (13);
 # optimisation rather than a behaviour change.
 
 
+sub failed {
+    my ($got, $expected, $name) = @_;
+
+    print "not ok $test - $name\n";
+    my @caller = caller(1);
+    print "# Failed test at $caller[1] line $caller[2]\n";
+    if (defined $got) {
+	print "# Got '$got'\n";
+    } else {
+	print "# Got undef\n";
+    }
+    print "# Expected $expected\n";
+    return;
+}
+
+sub like {
+    my ($got, $pattern, $name) = @_;
+    $test = $test + 1;
+    if (defined $got && $got =~ $pattern) {
+	print "ok $test - $name\n";
+	# Principle of least surprise - maintain the expected interface, even
+	# though we aren't using it here (yet).
+	return 1;
+    }
+    failed($got, $pattern, $name);
+}
+
+sub is {
+    my ($got, $expect, $name) = @_;
+    $test = $test + 1;
+    if (defined $got && $got eq $expect) {
+	print "ok $test - $name\n";
+	return 1;
+    }
+    failed($got, "'$expect'", $name);
+}
+
 my $a;
 $a = eval '$b = 0/0 if 0; 3';
 is ($a, 3, 'constants in conditionals don\'t affect constant folding');