Index: test/span_scanner_test.dart |
diff --git a/test/span_scanner_test.dart b/test/span_scanner_test.dart |
index b078f6e1a10d559c1e7b336d6a25bc69ec378204..84d7b94ee083db6c80bca97c6caf46d19184f05e 100644 |
--- a/test/span_scanner_test.dart |
+++ b/test/span_scanner_test.dart |
@@ -2,9 +2,12 @@ |
// 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:source_span/source_span.dart'; |
import 'package:string_scanner/string_scanner.dart'; |
import 'package:test/test.dart'; |
+import 'utils.dart'; |
+ |
void main() { |
testForImplementation("lazy", () { |
return new SpanScanner('foo\nbar\nbaz', sourceUrl: 'source'); |
@@ -13,6 +16,91 @@ void main() { |
testForImplementation("eager", () { |
return new SpanScanner.eager('foo\nbar\nbaz', sourceUrl: 'source'); |
}); |
+ |
+ group("within", () { |
+ var text = 'first\nbefore: foo\nbar\nbaz :after\nlast'; |
+ var startOffset = text.indexOf('foo'); |
+ |
+ var scanner; |
+ setUp(() { |
+ var file = new SourceFile(text, url: 'source'); |
+ scanner = new SpanScanner.within( |
+ file.span(startOffset, text.indexOf(' :after'))); |
+ }); |
+ |
+ test("string only includes the span text", () { |
+ expect(scanner.string, equals("foo\nbar\nbaz")); |
+ }); |
+ |
+ test("line and column are span-relative", () { |
+ expect(scanner.line, equals(0)); |
+ expect(scanner.column, equals(0)); |
+ |
+ scanner.scan("foo"); |
+ expect(scanner.line, equals(0)); |
+ expect(scanner.column, equals(3)); |
+ |
+ scanner.scan("\n"); |
+ expect(scanner.line, equals(1)); |
+ expect(scanner.column, equals(0)); |
+ }); |
+ |
+ test("tracks the span for the last match", () { |
+ scanner.scan('fo'); |
+ scanner.scan('o\nba'); |
+ |
+ var span = scanner.lastSpan; |
+ expect(span.start.offset, equals(startOffset + 2)); |
+ expect(span.start.line, equals(1)); |
+ expect(span.start.column, equals(10)); |
+ expect(span.start.sourceUrl, equals(Uri.parse('source'))); |
+ |
+ expect(span.end.offset, equals(startOffset + 6)); |
+ expect(span.end.line, equals(2)); |
+ expect(span.end.column, equals(2)); |
+ expect(span.start.sourceUrl, equals(Uri.parse('source'))); |
+ |
+ expect(span.text, equals('o\nba')); |
+ }); |
+ |
+ test(".spanFrom() returns a span from a previous state", () { |
+ scanner.scan('fo'); |
+ var state = scanner.state; |
+ scanner.scan('o\nba'); |
+ scanner.scan('r\nba'); |
+ |
+ var span = scanner.spanFrom(state); |
+ expect(span.text, equals('o\nbar\nba')); |
+ }); |
+ |
+ test(".emptySpan returns an empty span at the current location", () { |
+ scanner.scan('foo\nba'); |
+ |
+ var span = scanner.emptySpan; |
+ expect(span.start.offset, equals(startOffset + 6)); |
+ expect(span.start.line, equals(2)); |
+ expect(span.start.column, equals(2)); |
+ expect(span.start.sourceUrl, equals(Uri.parse('source'))); |
+ |
+ expect(span.end.offset, equals(startOffset + 6)); |
+ expect(span.end.line, equals(2)); |
+ expect(span.end.column, equals(2)); |
+ expect(span.start.sourceUrl, equals(Uri.parse('source'))); |
+ |
+ expect(span.text, equals('')); |
+ }); |
+ |
+ test(".error() uses an absolute span", () { |
+ scanner.expect("foo"); |
+ expect(() => scanner.error('oh no!'), |
+ throwsStringScannerException("foo")); |
+ }); |
+ |
+ test(".isDone returns true at the end of the span", () { |
+ scanner.expect("foo\nbar\nbaz"); |
+ expect(scanner.isDone, isTrue); |
+ }); |
+ }); |
} |
void testForImplementation(String name, SpanScanner create()) { |