sort.binarySearch: test for regresson of #4980

2020-04-09 02:00:08 +01:00
parent 447dc2bb90
commit b7e72cc421
1 changed files with 4 additions and 0 deletions
--- a/lib/std/sort.zig
+++ b/lib/std/sort.zig
@@ -47,6 +47,10 @@ test "std.sort.binarySearch" {
        @as(?usize, null),
        binarySearch(u32, 1, &[_]u32{0}, S.order_u32),
    );
+    testing.expectEqual(
+        @as(?usize, null),
+        binarySearch(u32, 0, &[_]u32{1}, S.order_u32),
+    );
    testing.expectEqual(
        @as(?usize, 4),
        binarySearch(u32, 5, &[_]u32{ 1, 2, 3, 4, 5 }, S.order_u32),