dart-sdk/tests/corelib/range_error_test.dart
Kallen Tu 63b49dfc8e Deprecate checkValidIndex and avoid using it in the core library.
TEST=No new behaviour, existing tests pass.

Change-Id: Ia7a8e58543bd5e1d8dd14bd46c5083759333845b
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/259104
Reviewed-by: Nate Bosch <nbosch@google.com>
Reviewed-by: Lasse Nielsen <lrn@google.com>
Commit-Queue: Kallen Tu <kallentu@google.com>
Reviewed-by: Leaf Petersen <leafp@google.com>
2022-11-08 19:02:35 +00:00

85 lines
2.1 KiB
Dart

// Copyright (c) 2011, 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";
// Dart test for testing out of range exceptions on arrays, and the content
// of range_error toString().
void main() {
testRead();
testWrite();
testToString();
}
void testRead() {
testListRead([], 0);
testListRead([], -1);
testListRead([], 1);
var list = <int?>[1];
testListRead(list, -1);
testListRead(list, 1);
list = new List.filled(1, null);
testListRead(list, -1);
testListRead(list, 1);
}
void testWrite() {
testListWrite([], 0);
testListWrite([], -1);
testListWrite([], 1);
var list = <int?>[1];
testListWrite(list, -1);
testListWrite(list, 1);
list = new List.filled(1, null);
testListWrite(list, -1);
testListWrite(list, 1);
}
void testToString() {
for (var name in [null, "THENAME"]) {
for (var message in [null, "THEMESSAGE"]) {
var value = 37;
for (var re in [
new ArgumentError.value(value, name, message),
new RangeError.value(value, name, message),
new IndexError.withLength(value, 0,
indexable: [], name: name, message: message),
new RangeError.range(value, 0, 24, name, message)
]) {
var str = re.toString();
if (name != null) Expect.isTrue(str.contains(name), "$name in $str");
if (message != null)
Expect.isTrue(str.contains(message), "$message in $str");
Expect.isTrue(str.contains("$value"), "$value in $str");
// No empty ':' separated parts - in that case the colon is omitted too.
Expect.isFalse(str.contains(new RegExp(":\s*:")));
}
}
}
}
void testListRead(list, index) {
var exception = null;
try {
var e = list[index];
} on RangeError catch (e) {
exception = e;
}
Expect.equals(true, exception != null);
}
void testListWrite(list, index) {
var exception = null;
try {
list[index] = 0;
} on RangeError catch (e) {
exception = e;
}
Expect.equals(true, exception != null);
}