// Copyright (c) 2013, 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 test.span_test; import 'package:unittest/unittest.dart'; import 'package:source_maps/span.dart'; const String TEST_FILE = ''' +23456789_ + _123456789_123456789_123456789_123456789_123456789_123456789_123456789_ + _123456789_1 123+56789_123456789_1234567 1234+6789_1234 12345+789_123456789_12345 123456+89_123456789_123456789_123456789_123456789_123456789_123456789_123456789 1234567+9_123456789_123456789_123456789_123456789_123456789_123456789_123 12345678+_123456789_123456789_123456789_123456789_1 123456789+123456789_123456789_12345678 123456789_+23456789_123456789_123456789_123 123456789_1+3456789_123456789 '''; List newLines = TEST_FILE.split('\n').map((s) => s.length).toList(); main() { var file = new SourceFile.text('file', TEST_FILE); span(int start, int end) => file.span(start, end); loc(int offset) => file.location(offset); test('validate test input', () { expect(newLines, const [10, 80, 31, 27, 14, 25, 79, 73, 51, 38, 43, 29, 0]); }); test('get line and column', () { line(int n) => file.getLine(n); col(int n) => file.getColumn(file.getLine(n), n); expect(line(8), 0); expect(line(10), 0); expect(line(11), 1); expect(line(12), 1); expect(line(91), 1); expect(line(92), 2); expect(line(93), 2); expect(col(11), 0); expect(col(12), 1); expect(col(91), 80); expect(col(92), 0); expect(col(93), 1); int j = 0; int lineOffset = 0; for (int i = 0; i < TEST_FILE.length; i++) { if (i > lineOffset + newLines[j]) { lineOffset += newLines[j] + 1; j++; } expect(line(i), j, reason: 'position: $i'); expect(col(i), i - lineOffset, reason: 'position: $i'); } }); test('get text', () { // fifth line (including 4 new lines), columns 2 .. 11 var line = 10 + 80 + 31 + 27 + 4; expect(file.getText(line + 2, line + 11), '34+6789_1'); }); test('get location message', () { // fifth line (including 4 new lines), columns 2 .. 11 var line = 10 + 80 + 31 + 27 + 4; expect(file.getLocationMessage('the message', line + 2, line + 11), 'file:5:3: the message\n' '1234+6789_1234\n' ' ^^^^^^^^^'); }); test('get location message - no file url', () { var line = 10 + 80 + 31 + 27 + 4; expect(new SourceFile.text(null, TEST_FILE).getLocationMessage( 'the message', line + 2, line + 11), ':5:3: the message\n' '1234+6789_1234\n' ' ^^^^^^^^^'); }); test('location getters', () { expect(loc(8).line, 0); expect(loc(8).column, 8); expect(loc(9).line, 0); expect(loc(9).column, 9); expect(loc(8).formatString, 'file:1:9'); expect(loc(12).line, 1); expect(loc(12).column, 1); expect(loc(95).line, 2); expect(loc(95).column, 3); }); test('location compare', () { var list = [9, 8, 11, 14, 6, 6, 1, 1].map((n) => loc(n)).toList(); list.sort(); var lastOffset = 0; for (var location in list) { expect(location.offset, greaterThanOrEqualTo(lastOffset)); lastOffset = location.offset; } }); test('span getters', () { expect(span(8, 9).start.line, 0); expect(span(8, 9).start.column, 8); expect(span(8, 9).end.line, 0); expect(span(8, 9).end.column, 9); expect(span(8, 9).text, '9'); expect(span(8, 9).isIdentifier, false); expect(span(8, 9).formatLocation, 'file:1:9'); var line = 10 + 80 + 31 + 27 + 4; expect(span(line + 2, line + 11).getLocationMessage('the message'), 'file:5:3: the message\n' '1234+6789_1234\n' ' ^^^^^^^^^'); expect(span(12, 95).start.line, 1); expect(span(12, 95).start.column, 1); expect(span(12, 95).end.line, 2); expect(span(12, 95).end.column, 3); expect(span(12, 95).text, '+ _123456789_123456789_123456789_123456789_123456789_1234567' '89_123456789_\n +'); expect(span(12, 95).formatLocation, 'file:2:2'); }); test('span union', () { var union = new FileSpan.union(span(8, 9), span(12, 95)); expect(union.start.offset, 8); expect(union.start.line, 0); expect(union.start.column, 8); expect(union.end.offset, 95); expect(union.end.line, 2); expect(union.end.column, 3); expect(union.text, '9_\n' ' + _123456789_123456789_123456789_123456789_123456789_' '123456789_123456789_\n +'); expect(union.formatLocation, 'file:1:9'); }); test('span compare', () { var list = [span(9, 10), span(8, 9), span(11, 12), span(14, 19), span(6, 12), span(6, 8), span(1, 9), span(1, 2)]; list.sort(); var lastStart = 0; var lastEnd = 0; for (var span in list) { expect(span.start.offset, greaterThanOrEqualTo(lastStart)); if (span.start.offset == lastStart) { expect(span.end.offset, greaterThanOrEqualTo(lastEnd)); } lastStart = span.start.offset; lastEnd = span.end.offset; } }); test('file segment', () { var segment = new SourceFileSegment('file', TEST_FILE.substring(12), loc(12)); sline(int n) => segment.getLine(n); scol(int n) => segment.getColumn(segment.getLine(n), n); line(int n) => file.getLine(n); col(int n) => file.getColumn(file.getLine(n), n); int j = 0; int lineOffset = 0; for (int i = 12; i < TEST_FILE.length; i++) { if (i > lineOffset + newLines[j]) { lineOffset += newLines[j] + 1; j++; } expect(segment.location(i - 12).offset, i); expect(segment.location(i - 12).line, line(i)); expect(segment.location(i - 12).column, col(i)); expect(segment.span(i - 12).start.offset, i); expect(segment.span(i - 12).start.line, line(i)); expect(segment.span(i - 12).start.column, col(i)); expect(sline(i), line(i)); expect(scol(i), col(i)); } }); test('span isIdentifier defaults to false', () { var start = new TestLocation(0); var end = new TestLocation(1); expect(new TestSpan(start, end).isIdentifier, false); expect(file.span(8, 9, null).isIdentifier, false); expect(new FixedSpan('', 8, 1, 8, isIdentifier: null).isIdentifier, false); }); } class TestSpan extends Span { TestSpan(Location start, Location end) : super(start, end, null); get text => null; } class TestLocation extends Location { String get sourceUrl => ''; TestLocation(int offset) : super(offset); get line => 0; get column => 0; }