fix panicked on range-based for loop

2 files changed, 28 insertions, 0 deletions

diff --git a/testing/templates/for-range.html b/testing/templates/for-range.html
new file mode 100644
index 0000000..9b109bb
--- /dev/null
+++ b/testing/templates/for-range.html
@@ -0,0 +1,15 @@
+{% for s in 0..2 -%}
+    foo
+{% endfor -%}
+
+{% for s in init..1 -%}
+    bar
+{% endfor -%}
+
+{% for s in 0..end -%}
+    foo
+{% endfor -%}
+
+{% for s in init..end -%}
+    bar
+{% endfor -%}
diff --git a/testing/tests/loops.rs b/testing/tests/loops.rs
index 70ebb21..a0736f5 100644
--- a/testing/tests/loops.rs
+++ b/testing/tests/loops.rs
@@ -46,3 +46,16 @@ fn test_precedence_for() {
     };
     assert_eq!(s.render().unwrap(), "0. A2 (first)\n1. alfa4\n2. 16\n");
 }
+
+#[derive(Template)]
+#[template(path = "for-range.html")]
+struct ForRangeTemplate {
+    init: i32,
+    end: i32,
+}
+
+#[test]
+fn test_for_range() {
+    let s = ForRangeTemplate { init: -1, end: 1 };
+    assert_eq!(s.render().unwrap(), "foo\nfoo\nbar\nbar\nfoo\nbar\nbar\n");
+}