Update bignum, Math::BigInt, Math::BigInt::FastCalc, and Math::BigRat

[perl5.git] / cpan / Math-BigRat / t / dparts-mbr.t

diff --git a/cpan/Math-BigRat/t/dparts-mbr.t b/cpan/Math-BigRat/t/dparts-mbr.t
new file mode 100644 (file)
index 0000000..454bf59
--- /dev/null
+++ b/cpan/Math-BigRat/t/dparts-mbr.t
@@ -0,0 +1,67 @@
+# -*- mode: perl; -*-
+
+use strict;
+use warnings;
+
+use Test::More tests => 17;
+
+my $class;
+
+BEGIN {
+    $class = 'Math::BigRat';
+    use_ok($class);
+}
+
+while (<DATA>) {
+    s/#.*$//;                   # remove comments
+    s/\s+$//;                   # remove trailing whitespace
+    next unless length;         # skip empty lines
+
+    my ($x_str, $int_str, $frc_str) = split /:/;
+    my $test;
+
+    $test = qq|\$x = $class -> new("$x_str");|
+          . qq| (\$i, \$f) = \$x -> dparts();|;
+
+    subtest $test => sub {
+        plan tests => 5;
+
+        my $x = $class -> new($x_str);
+        my ($int_got, $frc_got) = $x -> dparts();
+
+        is(ref($int_got), $class, "class of integer part");
+        is(ref($frc_got), $class, "class of fraction part");
+
+        is($int_got, $int_str, "value of integer part");
+        is($frc_got, $frc_str, "value of fraction part");
+        is($x,       $x_str,   "input is unmodified");
+    };
+
+    $test = qq|\$x = $class -> new("$x_str");|
+          . qq| \$i = \$x -> dparts();|;
+
+    subtest $test => sub {
+        plan tests => 3,
+
+        my $x = $class -> new($x_str);
+        my $int_got = $x -> dparts();
+
+        isa_ok($int_got, $class);
+
+        is($int_got, $int_str, "value of integer part");
+        is($x,       $x_str,   "input is unmodified");
+    };
+}
+
+__DATA__
+
+NaN:NaN:NaN
+
+inf:inf:0
+-inf:-inf:0
+
+-9/4:-2:-1/4
+-1:-1:0
+0:0:0
+1:1:0
+9/4:2:1/4