Add corelib tests

test/codegen/corelib/int_parse_radix_test.dart

Index: test/codegen/corelib/int_parse_radix_test.dart
diff --git a/test/codegen/corelib/int_parse_radix_test.dart b/test/codegen/corelib/int_parse_radix_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..fbe920582178303a88e1155d5ccbd86fcd040d19
--- /dev/null
+++ b/test/codegen/corelib/int_parse_radix_test.dart
@@ -0,0 +1,145 @@
+// 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.
+
+import "package:expect/expect.dart";
+import "dart:math" show pow;
+
+void main() {
+  bool checkedMode = false;
+  assert(checkedMode = true);
+  const String oneByteWhiteSpace = "\x09\x0a\x0b\x0c\x0d\x20"
+    "\x85"    /// 01: ok
+    "\xa0";
+  const String whiteSpace = "$oneByteWhiteSpace\u1680\u180e"
+      "\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a"
+      "\u2028\u2029\u202f\u205f\u3000\ufeff";
+
+  var digits = "0123456789abcdefghijklmnopqrstuvwxyz";
+  var zeros = "0" * 64;
+
+  for (int i = 0; i < whiteSpace.length; i++) {
+    var ws = whiteSpace[i];
+    Expect.equals(0, int.parse("${ws}0${ws}", radix: 2));
+  }
+
+  void testParse(int result, String radixString, int radix) {
+    var m = "$radixString/$radix->$result";
+    Expect.equals(result,
+                  int.parse(radixString.toLowerCase(), radix: radix), m);
+    Expect.equals(result,
+                  int.parse(radixString.toUpperCase(), radix: radix), m);
+    Expect.equals(result, int.parse(" $radixString", radix: radix), m);
+    Expect.equals(result, int.parse("$radixString ", radix: radix), m);
+    Expect.equals(result, int.parse(" $radixString ", radix: radix), m);
+    Expect.equals(result, int.parse("+$radixString", radix: radix), m);
+    Expect.equals(result, int.parse(" +$radixString", radix: radix), m);
+    Expect.equals(result, int.parse("+$radixString ", radix: radix), m);
+    Expect.equals(result, int.parse(" +$radixString ", radix: radix), m);
+    Expect.equals(-result, int.parse("-$radixString", radix: radix), m);
+    Expect.equals(-result, int.parse(" -$radixString", radix: radix), m);
+    Expect.equals(-result, int.parse("-$radixString ", radix: radix), m);
+    Expect.equals(-result, int.parse(" -$radixString ", radix: radix), m);
+    Expect.equals(result, int.parse(
+        "$oneByteWhiteSpace$radixString$oneByteWhiteSpace", radix: radix), m);
+    Expect.equals(-result, int.parse(
+        "$oneByteWhiteSpace-$radixString$oneByteWhiteSpace", radix: radix), m);
+    Expect.equals(result, int.parse(
+        "$whiteSpace$radixString$whiteSpace", radix: radix), m);
+    Expect.equals(-result, int.parse(
+        "$whiteSpace-$radixString$whiteSpace", radix: radix), m);
+
+    Expect.equals(result, int.parse("$zeros$radixString", radix: radix), m);
+    Expect.equals(result, int.parse("+$zeros$radixString", radix: radix), m);
+    Expect.equals(-result, int.parse("-$zeros$radixString", radix: radix), m);
+  }
+
+  for (int r = 2; r <= 36; r++) {
+    for (int i = 0; i <= r * r; i++) {
+      String radixString = i.toRadixString(r);
+      testParse(i, radixString, r);
+    }
+  }
+
+  for (int i = 2; i <= 36; i++) {              /// 02: ok
+    // Test with bignums.                      /// 02: continued
+    var digit = digits[i - 1];                 /// 02: continued
+    testParse(pow(i, 64) - 1, digit * 64, i);  /// 02: continued
+    testParse(0, zeros, i);                    /// 02: continued
+  }                                            /// 02: continued
+
+  // Allow both upper- and lower-case letters.
+  Expect.equals(0xABCD, int.parse("ABCD", radix: 16));
+  Expect.equals(0xABCD, int.parse("abcd", radix: 16));
+  Expect.equals(15628859, int.parse("09azAZ", radix: 36));
+  // Big number.
+  Expect.equals(0x12345678123456781234567812345678,  /// 02: continued
+                int.parse("0x1234567812345678"       /// 02: continued
+                          "1234567812345678"));      /// 02: continued
+  // Allow whitespace before and after the number.
+  Expect.equals(1, int.parse(" 1", radix: 2));
+  Expect.equals(1, int.parse("1 ", radix: 2));
+  Expect.equals(1, int.parse(" 1 ", radix: 2));
+  Expect.equals(1, int.parse("\n1", radix: 2));
+  Expect.equals(1, int.parse("1\n", radix: 2));
+  Expect.equals(1, int.parse("\n1\n", radix: 2));
+  Expect.equals(1, int.parse("+1", radix: 2));
+
+  void testFails(String source, int radix) {
+    Expect.throws(() { throw int.parse(source, radix: radix,
+                                       onError: (s) { throw "FAIL"; }); },
+                  isFail,
+                  "$source/$radix");
+    Expect.equals(-999, int.parse(source, radix: radix, onError: (s) => -999));
+  }
+  for (int i = 2; i < 36; i++) {
+    var char = i.toRadixString(36);
+    testFails(char.toLowerCase(), i);
+    testFails(char.toUpperCase(), i);
+  }
+  testFails("", 2);
+  testFails("+ 1", 2);  // No space between sign and digits.
+  testFails("- 1", 2);  // No space between sign and digits.
+  testFails("0x", null);
+  for (int i = 2; i <= 33; i++) {
+    // No 0x specially allowed.
+    // At radix 34 and above, "x" is a valid digit.
+    testFails("0x10", i);
+  }
+
+  testBadTypes(var source, var radix) {
+    if (!checkedMode) {
+      // No promises on what error is thrown if the type doesn't match.
+      // Likely either ArgumentError or NoSuchMethodError.
+      Expect.throws(() => int.parse(source, radix: radix, onError: (s) => 0));
+      return;
+    }
+    // In checked mode, it's always a TypeError.
+    Expect.throws(() => int.parse(source, radix: radix, onError: (s) => 0),
+                  (e) => e is TypeError);
+  }
+
+  testBadTypes(9, 10);
+  testBadTypes(true, 10);
+  testBadTypes("0", true);
+  testBadTypes("0", "10");
+
+  testBadArguments(String source, int radix) {
+    // If the types match, it should be an ArgumentError of some sort.
+    Expect.throws(() => int.parse(source, radix: radix, onError: (s) => 0),
+                  (e) => e is ArgumentError);
+  }
+
+  testBadArguments("0", -1);
+  testBadArguments("0", 0);
+  testBadArguments("0", 1);
+  testBadArguments("0", 37);
+
+  // If handleError isn't an unary function, and it's called, it also throws
+  // (either TypeError in checked mode, or some failure in unchecked mode).
+  Expect.throws(() => int.parse("9", radix: 8, onError: "not a function"));
+  Expect.throws(() => int.parse("9", radix: 8, onError: () => 42));
+  Expect.throws(() => int.parse("9", radix: 8, onError: (v1, v2) => 42));
+}
+
+bool isFail(e) => e == "FAIL";