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// 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.
library format_exception_test;
import "package:expect/expect.dart";
test(exn, message, source, offset, toString) {
Expect.equals(message, exn.message);
Expect.equals(source, exn.source);
Expect.equals(offset, exn.offset);
Expect.equals(toString, exn.toString());
}
main() {
var e;
e = new FormatException();
test(e, "", null, null, "FormatException");
e = new FormatException("");
test(e, "", null, null, "FormatException");
e = new FormatException(null);
test(e, null, null, null, "FormatException");
e = new FormatException("message");
test(e, "message", null, null, "FormatException: message");
e = new FormatException("message", "source");
test(e, "message", "source", null, "FormatException: message\nsource");
e = new FormatException("message", "source" * 25);
test(e, "message", "source" * 25, null,
"FormatException: message\n" + "source" * 12 + "sou...");
e = new FormatException("message", "source" * 25);
test(e, "message", "source" * 25, null,
"FormatException: message\n" + "source" * 12 + "sou...");
e = new FormatException("message", "s1\nsource\ns2");
test(e, "message", "s1\nsource\ns2", null,
"FormatException: message\n" + "s1\nsource\ns2");
var o = new Object();
e = new FormatException("message", o, 10);
test(e, "message", o, 10, "FormatException: message (at offset 10)");
e = new FormatException("message", "source", 3);
test(e, "message", "source", 3,
"FormatException: message (at character 4)\nsource\n ^\n");
e = new FormatException("message", "s1\nsource\ns2", 6);
test(e, "message", "s1\nsource\ns2", 6,
"FormatException: message (at line 2, character 4)\nsource\n ^\n");
var longline = "watermelon cantaloupe " * 8 + "watermelon"; // Length > 160.
var longsource = (longline + "\n") * 25;
var line10 = (longline.length + 1) * 9;
e = new FormatException("message", longsource, line10);
test(
e,
"message",
longsource,
line10,
"FormatException: message (at line 10, character 1)\n"
"${longline.substring(0, 75)}...\n^\n");
e = new FormatException("message", longsource, line10 - 1);
test(
e,
"message",
longsource,
line10 - 1,
"FormatException: message (at line 9, "
"character ${longline.length + 1})\n"
"...${longline.substring(longline.length - 75)}\n"
"${' ' * 78}^\n");
var half = longline.length ~/ 2;
e = new FormatException("message", longsource, line10 + half);
test(
e,
"message",
longsource,
line10 + half,
"FormatException: message (at line 10, character ${half + 1})\n"
"...${longline.substring(half - 36, half + 36)}...\n"
"${' ' * 39}^\n");
var sourceNL = "\nsource with leading NL";
e = new FormatException("message", sourceNL, 2);
test(
e,
"message",
sourceNL,
2,
"FormatException: message (at line 2, character 2)\n"
"source with leading NL\n"
" ^\n");
var sourceNL2 = "\n\nsource with leading NL";
e = new FormatException("message", sourceNL2, 2);
test(
e,
"message",
sourceNL2,
2,
"FormatException: message (at line 3, character 1)\n"
"source with leading NL\n"
"^\n");
}