sequences.extras: Make a <zip-index> for issue #745.

[factor.git] / extra / sequences / extras / extras-tests.factor

diff --git a/extra/sequences/extras/extras-tests.factor b/extra/sequences/extras/extras-tests.factor
index edad8b5a4d13af723874780a4b7f2aa5d829ebf8..185ad060df52977eb490a47701259234c79bb716 100644 (file)
--- a/extra/sequences/extras/extras-tests.factor
+++ b/extra/sequences/extras/extras-tests.factor
@@ -276,3 +276,27 @@ tools.test vectors vocabs ;
 { -2 } [ { -3 -2 } max-subarray-sum ] unit-test
 { 7 } [ { 1 2 3 -4 5 } max-subarray-sum ] unit-test
 { 6 } [ { 1 2 3 -4 1 1 } max-subarray-sum ] unit-test
+
+{ { 9 7 5 } } [ -1 -6 -2 10 <iota> <step-slice> >array ] unit-test
+{ { 9 7 } } [ -1 -5 -2 10 <iota> <step-slice> >array ] unit-test
+{ { 9 7 } } [ -1 -4 -2 10 <iota> <step-slice> >array ] unit-test
+{ { 9 } } [ -1 -3 -2 10 <iota> <step-slice> >array ] unit-test
+{ { } } [ -4 10 -2 10 <iota> <step-slice> >array ] unit-test
+{ { 6 8 } } [ -4 15 2 10 <iota> <step-slice> >array ] unit-test
+{ { 1 3 } } [ 1 4 2 10 <iota> <step-slice> >array ] unit-test
+{ { 1 3 } } [ 1 5 2 10 <iota> <step-slice> >array ] unit-test
+{ { 1 3 5 } } [ 1 6 2 10 <iota> <step-slice> >array ] unit-test
+
+{ { 102 306 1530 } } [
+    { 2 3 5 } [ swap [ * ] [ 100 + ] if* ] map-with-previous
+] unit-test
+
+{ { } } [
+    { } [ nip ] map-with-previous
+] unit-test
+
+{ { -1 2 -3 4 -5 } } [ { 1 2 3 4 5 } [ odd? ] [ neg ] map-if ] unit-test
+
+{ { { 100 0 } { 200 1 } { 300 2 } { 400 3 } } } [
+    { 100 200 300 400 } <zip-index> >array
+] unit-test