Index: pkg/source_span/test/span_test.dart |
diff --git a/pkg/source_span/test/span_test.dart b/pkg/source_span/test/span_test.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..c62753b1a59d66b54c5901deb9cd5155559b068e |
--- /dev/null |
+++ b/pkg/source_span/test/span_test.dart |
@@ -0,0 +1,256 @@ |
+// Copyright (c) 2014, 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:unittest/unittest.dart'; |
+import 'package:source_span/source_span.dart'; |
+import 'package:source_span/src/colors.dart' as colors; |
+ |
+main() { |
+ var span; |
+ setUp(() { |
+ span = new SourceSpan( |
+ new SourceLocation(5, sourceUrl: "foo.dart"), |
+ new SourceLocation(12, sourceUrl: "foo.dart"), |
+ "foo bar"); |
+ }); |
+ |
+ group('errors', () { |
+ group('for new SourceSpan()', () { |
+ test('source URLs must match', () { |
+ var start = new SourceLocation(0, sourceUrl: "foo.dart"); |
+ var end = new SourceLocation(1, sourceUrl: "bar.dart"); |
+ expect(() => new SourceSpan(start, end, "_"), throwsArgumentError); |
+ }); |
+ |
+ test('end must come after start', () { |
+ var start = new SourceLocation(1); |
+ var end = new SourceLocation(0); |
+ expect(() => new SourceSpan(start, end, "_"), throwsArgumentError); |
+ }); |
+ |
+ test('text must be the right length', () { |
+ var start = new SourceLocation(0); |
+ var end = new SourceLocation(1); |
+ expect(() => new SourceSpan(start, end, "abc"), throwsArgumentError); |
+ }); |
+ }); |
+ |
+ group('for union()', () { |
+ test('source URLs must match', () { |
+ var other = new SourceSpan( |
+ new SourceLocation(12, sourceUrl: "bar.dart"), |
+ new SourceLocation(13, sourceUrl: "bar.dart"), |
+ "_"); |
+ |
+ expect(() => span.union(other), throwsArgumentError); |
+ }); |
+ |
+ test('spans may not be disjoint', () { |
+ var other = new SourceSpan( |
+ new SourceLocation(13, sourceUrl: 'foo.dart'), |
+ new SourceLocation(14, sourceUrl: 'foo.dart'), |
+ "_"); |
+ |
+ expect(() => span.union(other), throwsArgumentError); |
+ }); |
+ }); |
+ |
+ test('for compareTo() source URLs must match', () { |
+ var other = new SourceSpan( |
+ new SourceLocation(12, sourceUrl: "bar.dart"), |
+ new SourceLocation(13, sourceUrl: "bar.dart"), |
+ "_"); |
+ |
+ expect(() => span.compareTo(other), throwsArgumentError); |
+ }); |
+ }); |
+ |
+ test('fields work correctly', () { |
+ expect(span.start, equals(new SourceLocation(5, sourceUrl: "foo.dart"))); |
+ expect(span.end, equals(new SourceLocation(12, sourceUrl: "foo.dart"))); |
+ expect(span.sourceUrl, equals(Uri.parse("foo.dart"))); |
+ expect(span.length, equals(7)); |
+ }); |
+ |
+ group("union()", () { |
+ test("works with a preceding adjacent span", () { |
+ var other = new SourceSpan( |
+ new SourceLocation(0, sourceUrl: "foo.dart"), |
+ new SourceLocation(5, sourceUrl: "foo.dart"), |
+ "hey, "); |
+ |
+ var result = span.union(other); |
+ expect(result.start, equals(other.start)); |
+ expect(result.end, equals(span.end)); |
+ expect(result.text, equals("hey, foo bar")); |
+ }); |
+ |
+ test("works with a preceding overlapping span", () { |
+ var other = new SourceSpan( |
+ new SourceLocation(0, sourceUrl: "foo.dart"), |
+ new SourceLocation(8, sourceUrl: "foo.dart"), |
+ "hey, foo"); |
+ |
+ var result = span.union(other); |
+ expect(result.start, equals(other.start)); |
+ expect(result.end, equals(span.end)); |
+ expect(result.text, equals("hey, foo bar")); |
+ }); |
+ |
+ test("works with a following adjacent span", () { |
+ var other = new SourceSpan( |
+ new SourceLocation(12, sourceUrl: "foo.dart"), |
+ new SourceLocation(16, sourceUrl: "foo.dart"), |
+ " baz"); |
+ |
+ var result = span.union(other); |
+ expect(result.start, equals(span.start)); |
+ expect(result.end, equals(other.end)); |
+ expect(result.text, equals("foo bar baz")); |
+ }); |
+ |
+ test("works with a following overlapping span", () { |
+ var other = new SourceSpan( |
+ new SourceLocation(9, sourceUrl: "foo.dart"), |
+ new SourceLocation(16, sourceUrl: "foo.dart"), |
+ "bar baz"); |
+ |
+ var result = span.union(other); |
+ expect(result.start, equals(span.start)); |
+ expect(result.end, equals(other.end)); |
+ expect(result.text, equals("foo bar baz")); |
+ }); |
+ |
+ test("works with an internal overlapping span", () { |
+ var other = new SourceSpan( |
+ new SourceLocation(7, sourceUrl: "foo.dart"), |
+ new SourceLocation(10, sourceUrl: "foo.dart"), |
+ "o b"); |
+ |
+ expect(span.union(other), equals(span)); |
+ }); |
+ |
+ test("works with an external overlapping span", () { |
+ var other = new SourceSpan( |
+ new SourceLocation(0, sourceUrl: "foo.dart"), |
+ new SourceLocation(16, sourceUrl: "foo.dart"), |
+ "hey, foo bar baz"); |
+ |
+ expect(span.union(other), equals(other)); |
+ }); |
+ }); |
+ |
+ group("message()", () { |
+ test("prints the text being described", () { |
+ expect(span.message("oh no"), equals(""" |
+line 1, column 6 of foo.dart: oh no |
+foo bar |
+^^^^^^^""")); |
+ }); |
+ |
+ test("gracefully handles a missing source URL", () { |
+ var span = new SourceSpan( |
+ new SourceLocation(5), new SourceLocation(12), "foo bar"); |
+ |
+ expect(span.message("oh no"), equalsIgnoringWhitespace(""" |
+line 1, column 6: oh no |
+foo bar |
+^^^^^^^""")); |
+ }); |
+ |
+ test("gracefully handles empty text", () { |
+ var span = new SourceSpan( |
+ new SourceLocation(5), new SourceLocation(5), ""); |
+ |
+ expect(span.message("oh no"), |
+ equals("line 1, column 6: oh no")); |
+ }); |
+ |
+ test("doesn't colorize if color is false", () { |
+ expect(span.message("oh no", color: false), equals(""" |
+line 1, column 6 of foo.dart: oh no |
+foo bar |
+^^^^^^^""")); |
+ }); |
+ |
+ test("colorizes if color is true", () { |
+ expect(span.message("oh no", color: true), |
+ equals(""" |
+line 1, column 6 of foo.dart: oh no |
+${colors.RED}foo bar |
+^^^^^^^${colors.NONE}""")); |
+ }); |
+ |
+ test("uses the given color if it's passed", () { |
+ expect(span.message("oh no", color: colors.YELLOW), equals(""" |
+line 1, column 6 of foo.dart: oh no |
+${colors.YELLOW}foo bar |
+^^^^^^^${colors.NONE}""")); |
+ }); |
+ }); |
+ |
+ group("compareTo()", () { |
+ test("sorts by start location first", () { |
+ var other = new SourceSpan( |
+ new SourceLocation(6, sourceUrl: "foo.dart"), |
+ new SourceLocation(14, sourceUrl: "foo.dart"), |
+ "oo bar b"); |
+ |
+ expect(span.compareTo(other), lessThan(0)); |
+ expect(other.compareTo(span), greaterThan(0)); |
+ }); |
+ |
+ test("sorts by length second", () { |
+ var other = new SourceSpan( |
+ new SourceLocation(5, sourceUrl: "foo.dart"), |
+ new SourceLocation(14, sourceUrl: "foo.dart"), |
+ "foo bar b"); |
+ |
+ expect(span.compareTo(other), lessThan(0)); |
+ expect(other.compareTo(span), greaterThan(0)); |
+ }); |
+ |
+ test("considers equal spans equal", () { |
+ expect(span.compareTo(span), equals(0)); |
+ }); |
+ }); |
+ |
+ group("equality", () { |
+ test("two spans with the same locations are equal", () { |
+ var other = new SourceSpan( |
+ new SourceLocation(5, sourceUrl: "foo.dart"), |
+ new SourceLocation(12, sourceUrl: "foo.dart"), |
+ "foo bar"); |
+ |
+ expect(span, equals(other)); |
+ }); |
+ |
+ test("a different start isn't equal", () { |
+ var other = new SourceSpan( |
+ new SourceLocation(0, sourceUrl: "foo.dart"), |
+ new SourceLocation(12, sourceUrl: "foo.dart"), |
+ "hey, foo bar"); |
+ |
+ expect(span, isNot(equals(other))); |
+ }); |
+ |
+ test("a different end isn't equal", () { |
+ var other = new SourceSpan( |
+ new SourceLocation(5, sourceUrl: "foo.dart"), |
+ new SourceLocation(16, sourceUrl: "foo.dart"), |
+ "foo bar baz"); |
+ |
+ expect(span, isNot(equals(other))); |
+ }); |
+ |
+ test("a different source URL isn't equal", () { |
+ var other = new SourceSpan( |
+ new SourceLocation(5, sourceUrl: "bar.dart"), |
+ new SourceLocation(12, sourceUrl: "bar.dart"), |
+ "foo bar"); |
+ |
+ expect(span, isNot(equals(other))); |
+ }); |
+ }); |
+} |