1 files changed, 48 insertions, 0 deletions
diff --git a/Data-MultiValued/t/overlapping-ranges.t b/Data-MultiValued/t/overlapping-ranges.t
new file mode 100644
index 0000000..e359894
--- /dev/null
+++ b/Data-MultiValued/t/overlapping-ranges.t
@@ -0,0 +1,48 @@
+#!perl
+use strict;
+use warnings;
+use Test::Most 'die';
+use Data::Printer;
+use Data::MultiValued;
+
+my $obj = Data::MultiValued->new();
+ok($obj,'constructor works');
+
+$obj->set({
+    from=>10,
+    to=>20,
+    value=>1,
+});
+$obj->set({
+    from=>15,
+    to => 30,
+    value => 2,
+});
+
+my %points = (
+    10,1,
+    12,1,
+    13,1,
+    14,1,
+    15,2,
+    17,2,
+    19,2,
+    20,2,
+    25,2,
+    29,2,
+);
+while (my ($at,$v) = each %points) {
+    cmp_ok($obj->get({at=>$at}),
+           '==',
+           $v,
+           "value at $at");
+}
+
+dies_ok {
+    $obj->get({at=>30})
+} 'far end';
+dies_ok {
+    $obj->get({at=>9})
+} 'far end';
+
+done_testing();