stage2: add array_to_slice AIR instruction

1 files changed, 24 insertions, 0 deletions

diff --git a/test/behavior/array.zig b/test/behavior/array.zig
index 232ba87f55..8cf0042d5f 100644
--- a/test/behavior/array.zig
+++ b/test/behavior/array.zig
@@ -3,3 +3,27 @@ const testing = std.testing;
 const mem = std.mem;
 const expect = testing.expect;
 const expectEqual = testing.expectEqual;
+
+test "arrays" {
+    var array: [5]u32 = undefined;
+
+    var i: u32 = 0;
+    while (i < 5) {
+        array[i] = i + 1;
+        i = array[i];
+    }
+
+    i = 0;
+    var accumulator = @as(u32, 0);
+    while (i < 5) {
+        accumulator += array[i];
+
+        i += 1;
+    }
+
+    try expect(accumulator == 15);
+    try expect(getArrayLen(&array) == 5);
+}
+fn getArrayLen(a: []const u32) usize {
+    return a.len;
+}