Avoid non-web integer literal in corelib_2/int_round_test

Also fix precedence bug.

Change-Id: I4b4746e0adfd0ff354d85519665ae23742f8703a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/107838
Auto-Submit: Stephen Adams <[email protected]>
Reviewed-by: Lasse R.H. Nielsen <[email protected]>
Commit-Queue: Stephen Adams <[email protected]>

Author: rakudrama

tests/corelib_2/corelib_2.status

@@ -38,7 +38,6 @@ int_parse_radix_int64_test/01: CompileTimeError, OK # Error if web int literal c
 int_parse_radix_int64_test/02: CompileTimeError, OK # Error if web int literal cannot be represented exactly, see http://dartbug.com/33351
 int_parse_radix_int64_test/none: CompileTimeError, OK # Error if web int literal cannot be represented exactly, see http://dartbug.com/33351
 int_parse_radix_test/01: RuntimeError
-int_round_test: CompileTimeError, OK # Error if web int literal cannot be represented exactly, see http://dartbug.com/33351
 int_round_to_double_test: CompileTimeError, OK # Error if web int literal cannot be represented exactly, see http://dartbug.com/33351
 int_to_int_test: CompileTimeError, OK # Error if web int literal cannot be represented exactly, see http://dartbug.com/33351
 int_truncate_test: CompileTimeError, OK # Error if web int literal cannot be represented exactly, see http://dartbug.com/33351
@@ -323,7 +322,6 @@ int_parse_radix_int64_test/02: CompileTimeError, OK # Error if web int literal c
 int_parse_radix_int64_test/none: CompileTimeError, OK # Error if web int literal cannot be represented exactly, see http://dartbug.com/33351
 int_parse_radix_test/01: RuntimeError # Issue 29921
 int_parse_with_limited_ints_test: Skip # Requires fixed-size int64 support.
-int_round_test: CompileTimeError, OK # Error if web int literal cannot be represented exactly, see http://dartbug.com/33351
 int_round_to_double_test: CompileTimeError, OK # Error if web int literal cannot be represented exactly, see http://dartbug.com/33351
 int_to_int_test: CompileTimeError, OK # Error if web int literal cannot be represented exactly, see http://dartbug.com/33351
 int_truncate_test: CompileTimeError, OK # Error if web int literal cannot be represented exactly, see http://dartbug.com/33351

tests/corelib_2/int_round_test.dart

@@ -5,27 +5,29 @@
 import 'package:expect/expect.dart';
 
 main() {
+  const int big = 0x123456789AB0000 + 0xCDEF; // truncating arithmetic on web.
+
   Expect.equals(0, 0.round());
   Expect.equals(1, 1.round());
   Expect.equals(0x1234, 0x1234.round());
   Expect.equals(0x12345678, 0x12345678.round());
   Expect.equals(0x123456789AB, 0x123456789AB.round());
-  Expect.equals(0x123456789ABCDEF, 0x123456789ABCDEF.round());
-  Expect.equals(-1, -1.round());
-  Expect.equals(-0x1234, -0x1234.round());
-  Expect.equals(-0x12345678, -0x12345678.round());
-  Expect.equals(-0x123456789AB, -0x123456789AB.round());
-  Expect.equals(-0x123456789ABCDEF, -0x123456789ABCDEF.round());
+  Expect.equals(big, big.round());
+  Expect.equals(-1, (-1).round());
+  Expect.equals(-0x1234, (-0x1234).round());
+  Expect.equals(-0x12345678, (-0x12345678).round());
+  Expect.equals(-0x123456789AB, (-0x123456789AB).round());
+  Expect.equals(-big, (-big).round());
 
   Expect.isTrue(0.round() is int);
   Expect.isTrue(1.round() is int);
   Expect.isTrue(0x1234.round() is int);
   Expect.isTrue(0x12345678.round() is int);
   Expect.isTrue(0x123456789AB.round() is int);
-  Expect.isTrue(0x123456789ABCDEF.round() is int);
-  Expect.isTrue(-1.round() is int);
-  Expect.isTrue(-0x1234.round() is int);
-  Expect.isTrue(-0x12345678.round() is int);
-  Expect.isTrue(-0x123456789AB.round() is int);
-  Expect.isTrue(-0x123456789ABCDEF.round() is int);
+  Expect.isTrue(big.round() is int);
+  Expect.isTrue((-1).round() is int);
+  Expect.isTrue((-0x1234).round() is int);
+  Expect.isTrue((-0x12345678).round() is int);
+  Expect.isTrue((-0x123456789AB).round() is int);
+  Expect.isTrue((-big).round() is int);
 }