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Unified Diff: tests/lib/fixnum/int_32_test.dart

Issue 10381133: Add 'fixnum' library to utils/ (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Respond to review comments Created 8 years, 6 months ago
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Index: tests/lib/fixnum/int_32_test.dart
diff --git a/tests/lib/fixnum/int_32_test.dart b/tests/lib/fixnum/int_32_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..d5844c5f3f8b0aedf45793a650dca08f3d4ba231
--- /dev/null
+++ b/tests/lib/fixnum/int_32_test.dart
@@ -0,0 +1,158 @@
+// 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.
+
+#library("int32test");
+#import('../../../lib/fixnum/fixnum.dart');
+
+void main() {
+ Expect.equals("0", new int32.fromInt(0).toString());
+ Expect.equals("1", new int32.fromInt(1).toString());
+ Expect.equals("-1", new int32.fromInt(-1).toString());
+ Expect.equals("1000", new int32.fromInt(1000).toString());
+ Expect.equals("-1000", new int32.fromInt(-1000).toString());
+ Expect.equals("2147483647", new int32.fromInt(2147483647).toString());
+ Expect.equals("-2147483648", new int32.fromInt(2147483648).toString());
+ Expect.equals("-2147483647", new int32.fromInt(2147483649).toString());
+ Expect.equals("-2147483646", new int32.fromInt(2147483650).toString());
+ Expect.equals("-2147483648", new int32.fromInt(-2147483648).toString());
+ Expect.equals("2147483647", new int32.fromInt(-2147483649).toString());
+ Expect.equals("2147483646", new int32.fromInt(-2147483650).toString());
+
+ Expect.equals("-1", new int32.fromInt(-1).toHexString());
+ Expect.equals("-1", (new int32.fromInt(-1) >> 8).toHexString());
+ Expect.equals("-100", (new int32.fromInt(-1) << 8).toHexString());
+ Expect.equals("ffffff",
+ new int32.fromInt(-1).shiftRightUnsigned(8).toHexString());
+
+ Expect.equals("123456789", new int32.fromInt(123456789).toString());
+ Expect.equals("75bcd15", new int32.fromInt(123456789).toHexString());
+ Expect.equals("223101104124", new int32.fromInt(123456789).toRadixString(5));
+
+ try {
+ new int32.fromInt(17) >> -1;
+ Expect.fail("x >> -1 should throw IllegalArgumentException");
+ } catch (IllegalArgumentException e) {
+ }
+
+ try {
+ new int32.fromInt(17) << -1;
+ Expect.fail("x >> -1 should throw IllegalArgumentException");
+ } catch (IllegalArgumentException e) {
+ }
+
+ try {
+ new int32.fromInt(17).shiftRightUnsigned(-1);
+ Expect.fail("x >> -1 should throw IllegalArgumentException");
+ } catch (IllegalArgumentException e) {
+ }
+
+ // wraparound
+ Expect.equals("-67153019", (new int32.fromInt(123456789) *
+ new int32.fromInt(987654321)).toString());
+ Expect.equals("121932631112635269", (new int64.fromInt(123456789) *
+ new int32.fromInt(987654321)).toString());
+ Expect.equals("121932631112635269", (new int32.fromInt(123456789) *
+ new int64.fromInt(987654321)).toString());
+ Expect.equals("121932631112635269", (new int64.fromInt(123456789) *
+ new int64.fromInt(987654321)).toString());
+
+ Expect.equals("432461",
+ (new int32.fromInt(829893893) ~/ new int32.fromInt(1919)).toString());
+ Expect.equals("432461",
+ (new int32.fromInt(829893893) ~/ new int64.fromInt(1919)).toString());
+ Expect.equals("432461",
+ (new int64.fromInt(829893893) ~/ new int32.fromInt(1919)).toString());
+ Expect.equals("432461",
+ (new int64.fromInt(829893893) ~/ new int64.fromInt(1919)).toString());
+ Expect.equals("432461",
+ (new int32.fromInt(829893893) ~/ 1919).toString());
+ Expect.equals("432461",
+ (new int64.fromInt(829893893) ~/ 1919).toString());
+
+ Expect.isTrue(new int32.fromInt(12345) == 12345);
+ Expect.isTrue(new int32.fromInt(12345) == new int32.fromInt(12345));
+ Expect.isTrue(new int64.fromInt(12345) == new int32.fromInt(12345));
+
+ Expect.equals(new int32.fromInt(~0x12345678),
+ ~(new int32.fromInt(0x12345678)));
+ Expect.equals(new int64.fromInt(-0x12345678),
+ -(new int32.fromInt(0x12345678)));
+
+ Expect.equals(new int32.fromInt(0x12345678 & 0x22222222),
+ new int32.fromInt(0x12345678) & new int32.fromInt(0x22222222));
+ Expect.equals(new int64.fromInt(0x12345678 & 0x22222222),
+ new int32.fromInt(0x12345678) & new int64.fromInt(0x22222222));
+ Expect.equals(new int32.fromInt(0x12345678 | 0x22222222),
+ new int32.fromInt(0x12345678) | new int32.fromInt(0x22222222));
+ Expect.equals(new int64.fromInt(0x12345678 | 0x22222222),
+ new int32.fromInt(0x12345678) | new int64.fromInt(0x22222222));
+ Expect.equals(new int32.fromInt(0x12345678 ^ 0x22222222),
+ new int32.fromInt(0x12345678) ^ new int32.fromInt(0x22222222));
+ Expect.equals(new int64.fromInt(0x12345678 ^ 0x22222222),
+ new int32.fromInt(0x12345678) ^ new int64.fromInt(0x22222222));
+
+ Expect.equals(new int32.fromInt(0x12345678 + 0x22222222),
+ new int32.fromInt(0x12345678) + new int32.fromInt(0x22222222));
+ Expect.equals(new int64.fromInt(0x12345678 + 0x22222222),
+ new int32.fromInt(0x12345678) + new int64.fromInt(0x22222222));
+ Expect.equals(new int32.fromInt(0x12345678 - 0x22222222),
+ new int32.fromInt(0x12345678) - new int32.fromInt(0x22222222));
+ Expect.equals(new int64.fromInt(0x12345678 - 0x22222222),
+ new int32.fromInt(0x12345678) - new int64.fromInt(0x22222222));
+ Expect.equals(new int32.fromInt(-899716112),
+ new int32.fromInt(0x12345678) * new int32.fromInt(0x22222222));
+ Expect.equals(new int64.fromInts(0x026D60DC, 0xCA5F6BF0),
+ new int32.fromInt(0x12345678) * new int64.fromInt(0x22222222));
+ Expect.equals(new int32.fromInt(0x12345678 % 0x22),
+ new int32.fromInt(0x12345678) % new int32.fromInt(0x22));
+ Expect.equals(new int32.fromInt(0x12345678 % 0x22),
+ new int32.fromInt(0x12345678) % new int64.fromInt(0x22));
+ Expect.equals(new int32.fromInt(0x12345678.remainder(0x22)),
+ new int32.fromInt(0x12345678).remainder(new int32.fromInt(0x22)));
+ Expect.equals(new int32.fromInt(0x12345678.remainder(-0x22)),
+ new int32.fromInt(0x12345678).remainder(new int32.fromInt(-0x22)));
+ Expect.equals(new int32.fromInt(-0x12345678.remainder(-0x22)),
+ new int32.fromInt(-0x12345678).remainder(new int32.fromInt(-0x22)));
+ Expect.equals(new int32.fromInt(-0x12345678.remainder(0x22)),
+ new int32.fromInt(-0x12345678).remainder(new int32.fromInt(0x22)));
+ Expect.equals(new int32.fromInt(0x12345678.remainder(0x22)),
+ new int32.fromInt(0x12345678).remainder(new int64.fromInt(0x22)));
+ Expect.equals(new int32.fromInt(0x12345678 ~/ 0x22),
+ new int32.fromInt(0x12345678) ~/ new int32.fromInt(0x22));
+ Expect.equals(new int32.fromInt(0x12345678 ~/ 0x22),
+ new int32.fromInt(0x12345678) ~/ new int64.fromInt(0x22));
+
+ Expect.equals(new int32.fromInt(0x12345678 >> 7),
+ new int32.fromInt(0x12345678) >> 7);
+ Expect.equals(new int32.fromInt(0x12345678 << 7),
+ new int32.fromInt(0x12345678) << 7);
+ Expect.equals(new int32.fromInt(0x12345678 >> 7),
+ new int32.fromInt(0x12345678).shiftRightUnsigned(7));
+
+ try {
+ new int32.fromInt(17) < null;
+ Expect.fail("x < null should throw NullPointerException");
+ } catch (NullPointerException e) {
+ }
+
+ try {
+ new int32.fromInt(17) <= null;
+ Expect.fail("x <= null should throw NullPointerException");
+ } catch (NullPointerException e) {
+ }
+
+ try {
+ new int32.fromInt(17) > null;
+ Expect.fail("x > null should throw NullPointerException");
+ } catch (NullPointerException e) {
+ }
+
+ try {
+ new int32.fromInt(17) < null;
+ Expect.fail("x >= null should throw NullPointerException");
+ } catch (NullPointerException e) {
+ }
+
+ Expect.isFalse(new int32.fromInt(17) == null);
+}
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