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// 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.
// Dart test program for testing class 'StringBase' (currently VM specific).
library string_base_test;
import "package:expect/expect.dart";
class StringBaseTest {
StringBaseTest() {}
toString() {
return "StringBase Tester";
}
static testInterpolation() {
var answer = 40 + 2;
var s = "The answer is $answer.";
Expect.equals("The answer is 42.", s);
int numBottles = 33;
String wall = "wall";
s = "${numBottles*3} bottles of beer on the $wall.";
Expect.equals("99 bottles of beer on the wall.", s);
}
static testCreation() {
String s = "Hello";
List<int> a = new List(s.length);
List<int> ga = new List();
bool exception_caught = false;
for (int i = 0; i < a.length; i++) {
a[i] = s.codeUnitAt(i);
ga.add(s.codeUnitAt(i));
}
try {
String s4 = new String.fromCharCodes([-1]);
} on ArgumentError catch (ex) {
exception_caught = true;
}
Expect.equals(true, exception_caught);
}
static testSubstring() {
String s = "Hello World";
Expect.equals("World", s.substring(6, s.length));
Expect.equals("", s.substring(8, 8));
bool exception_caught = false;
try {
s.substring(5, 12);
} on RangeError catch (ex) {
exception_caught = true;
}
Expect.equals(true, exception_caught);
exception_caught = false;
try {
s.substring(5, 4);
} on RangeError catch (ex) {
exception_caught = true;
}
Expect.equals(true, exception_caught);
}
static void testMain() {
testInterpolation();
testCreation();
testSubstring();
}
}
main() {
StringBaseTest.testMain();
}