add test for bug nim-lang#15464

timotheecour · Nov 16, 2020 · 1654ed0 · 1654ed0
1 parent e569850
commit 1654ed0
Showing 1 changed file with 27 additions and 2 deletions.
diff --git a/tests/misc/taddr.nim b/tests/misc/taddr.nim
@@ -136,8 +136,31 @@ block:
     when false:
       proc byLent2[T](a: T): lent type(a[0]) = a[0]
 
-proc test15939() =
-  # bug #15939
+template testStatic15464() = # bug #15464
+  proc access(s: var seq[char], i: int): var char = s[i]
+  proc access(s: var string, i: int): var char = s[i]
+  static:
+    var s = @['a', 'b', 'c']
+    access(s, 2) = 'C'
+    doAssert access(s, 2) == 'C'
+  static:
+    var s = "abc"
+    access(s, 2) = 'C'
+    doAssert access(s, 2) == 'C'
+
+proc test15464() = # alternative bug #15464
+  proc access(s: var seq[char], i: int): var char = s[i]
+  proc access(s: var string, i: int): var char = s[i]
+  block:
+    var s = @['a', 'b', 'c']
+    access(s, 2) = 'C'
+    doAssert access(s, 2) == 'C'
+  block:
+    var s = "abc"
+    access(s, 2) = 'C'
+    doAssert access(s, 2) == 'C'
+
+proc test15939() = # bug #15939
   template fn(a) =
     let pa = a[0].addr
     doAssert pa != nil
@@ -165,7 +188,9 @@ proc test15939() =
     when not defined(js): cstringTest()
 
 template main =
+  test15464()
   test15939()
 
+testStatic15464()
 main()
 static: main()