Correct file names for tests in tests/language.

tests/language/mint_arithmetic.dart

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// Test arithmetic on 64-bit integers.
-
-test_and_1() {
-  try {  // Avoid optimizing this function.
-    f(a, b) {
-      var s = b;
-      var t = a & s;
-      return t == b;
-    }
-    var x = 0xffffffff;
-    for (var i = 0; i < 10000; i++) f(x, 0);
-    Expect.equals(true, f(x, 0));
-    Expect.equals(false, f(x, -1));  // Triggers deoptimization.
-  } finally { }
-}
-
-test_and_2() {
-  try {  // Avoid optimizing this function.
-    f(a, b) {
-      return a & b;
-    }
-    var x = 0xffffffff;
-    for (var i = 0; i < 10000; i++) f(x, x);
-    Expect.equals(x, f(x, x));
-    Expect.equals(1234, f(0xffffffff, 1234));
-    Expect.equals(0x100000001, f(0x100000001,-1));
-    Expect.equals(-0x40000000, f(-0x40000000, -1));
-    Expect.equals(0x40000000, f(0x40000000, -1));
-    Expect.equals(0x3fffffff, f(0x3fffffff, -1));
-  } finally { }
-}
-
-test_xor_1() {
-  try {  // Avoid optimizing this function.
-    f(a, b) {
-      var s = b;
-      var t = a ^ s;
-      return t;
-    }
-    var x = 0xffffffff;
-    for (var i = 0; i < 10000; i++) f(x, x);
-    Expect.equals(0, f(x, x));
-    Expect.equals(-x - 1, f(x, -1));
-    var y  = 0xffffffffffffffff;
-    Expect.equals(-y - 1, f(y, -1));  // Triggers deoptimization.
-  } finally { }
-}
-
-test_or_1() {
-  try {  // Avoid optimizing this function.
-    f(a, b) {
-      var s = b;
-      var t = a | s;
-      return t;
-    }
-    var x = 0xffffffff;
-    for (var i = 0; i < 10000; i++) f(x, x);
-    Expect.equals(x, f(x, x));
-    Expect.equals(-1, f(x, -1));
-    var y  = 0xffffffffffffffff;
-    Expect.equals(-1, f(y, -1));  // Triggers deoptimization.
-  } finally { }
-}
-
-test_func(x, y) => (x & y) + 1.0;
-
-test_mint_double_op() {
-  for (var i=0; i<10000; i++) test_func(4294967295, 1);
-  Expect.equals(2.0, test_func(4294967295, 1));
-  Expect.equals(4294967296.0, test_func(4294967295, 1));
-}
-
-main() {
-  for (var i = 0; i < 5; i++) {
-    test_and_1();
-    test_and_2();
-    test_xor_1();
-    test_or_1();
-    test_mint_double_op();
-  }
-}