test(ui): add some tailstrict call tests

ui-tests/pass/call.jsonnet

@@ -74,4 +74,28 @@ std.assertEqual(f(1, error "err"), [1, 1]) &&
 local f(x, y=error "err") = [x, x];
 std.assertEqual(f(1), [1, 1]) &&
 
+local f(acc, a, b=std.repeat([null], std.length(a))) =
+  assert std.length(a) == std.length(b);
+  if std.length(a) == 0 then
+    acc
+  else
+    f(acc + [a[0], b[0]], a[1:], b[1:]) tailstrict;
+
+std.assertEqual(
+  f([0], std.repeat([1], 500), std.repeat([2], 500)),
+  [0] + std.repeat([1, 2], 500),
+) &&
+std.assertEqual(
+  f(acc=[0], a=std.repeat([1], 500), b=std.repeat([2], 500)),
+  [0] + std.repeat([1, 2], 500),
+) &&
+std.assertEqual(
+  f(acc=[0], b=std.repeat([1], 500), a=std.repeat([2], 500)),
+  [0] + std.repeat([2, 1], 500),
+) &&
+std.assertEqual(
+  f([0], std.repeat([1], 500)),
+  [0] + std.repeat([1, null], 500),
+) &&
+
 true

ui-tests/pass/stdlib/trace/in_arg.jsonnet

@@ -1,3 +1,5 @@
 local f(x) = x;
+local f1() = f(std.trace("some trace", "some value"));
+local f2() = f(std.trace("some trace", "some value")) tailstrict;
 
-f(std.trace("some trace", "some value"))
+[f1(), f2()]

ui-tests/pass/stdlib/trace/in_arg.jsonnet.stderr

@@ -1,18 +1,43 @@
 TRACE: some trace
 note: while evaluating call to `trace`
- --> in_arg.jsonnet:3:3
+ --> in_arg.jsonnet:2:16
   |
-3 | f(std.trace("some trace", "some value"))
-  |   -------------------------------------
+2 | local f1() = f(std.trace("some trace", "some value"));
+  |                -------------------------------------
 note: while evaluating variable `x`
  --> in_arg.jsonnet:1:14
   |
 1 | local f(x) = x;
   |              -
 note: while evaluating call to `f`
- --> in_arg.jsonnet:3:1
+ --> in_arg.jsonnet:2:14
   |
-3 | f(std.trace("some trace", "some value"))
-  | ----------------------------------------
+2 | local f1() = f(std.trace("some trace", "some value"));
+  |              ----------------------------------------
+note: while evaluating call to `f1`
+ --> in_arg.jsonnet:5:2
+  |
+5 | [f1(), f2()]
+  |  ----
+note: while evaluating array item 0
+note: during top-level value evaluation
+
+TRACE: some trace
+note: while evaluating call to `trace`
+ --> in_arg.jsonnet:3:16
+  |
+3 | local f2() = f(std.trace("some trace", "some value")) tailstrict;
+  |                -------------------------------------
+note: while evaluating variable `x`
+ --> in_arg.jsonnet:3:14
+  |
+3 | local f2() = f(std.trace("some trace", "some value")) tailstrict;
+  |              ---------------------------------------------------
+note: while evaluating call to `f2`
+ --> in_arg.jsonnet:5:8
+  |
+5 | [f1(), f2()]
+  |        ----
+note: while evaluating array item 1
 note: during top-level value evaluation
 

ui-tests/pass/stdlib/trace/in_arg.jsonnet.stdout

@@ -1 +1,4 @@
-"some value"
+[
+   "some value",
+   "some value"
+]