Merge pull request #2570 from Microsoft/versionCacheUnitTest
Version cache unit test
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commit
9e4c9f923f
3 changed files with 285 additions and 1 deletions
3
Jakefile
3
Jakefile
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@ -144,7 +144,8 @@ var harnessSources = [
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"services/colorization.ts",
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"services/documentRegistry.ts",
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"services/preProcessFile.ts",
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"services/patternMatcher.ts"
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"services/patternMatcher.ts",
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"versionCache.ts"
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].map(function (f) {
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return path.join(unittestsDirectory, f);
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})).concat([
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@ -1466,6 +1466,10 @@ module ts.server {
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return accum;
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}
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getLength(): number {
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return this.root.charCount();
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}
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every(f: (ll: LineLeaf, s: number, len: number) => boolean, rangeStart: number, rangeEnd?: number) {
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if (!rangeEnd) {
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rangeEnd = this.root.charCount();
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279
tests/cases/unittests/versionCache.ts
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279
tests/cases/unittests/versionCache.ts
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@ -0,0 +1,279 @@
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/// <reference path="..\..\..\src\harness\harness.ts" />
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/// <reference path="..\..\..\src\server\editorServices.ts" />
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module ts {
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function editFlat(position: number, deletedLength: number, newText: string, source: string) {
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return source.substring(0, position) + newText + source.substring(position + deletedLength, source.length);
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}
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function lineColToPosition(lineIndex: server.LineIndex, line: number, col: number) {
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var lineInfo = lineIndex.lineNumberToInfo(line);
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return (lineInfo.offset + col - 1);
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}
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function validateEdit(lineIndex: server.LineIndex, sourceText: string, position: number, deleteLength: number, insertString: string): void {
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let checkText = editFlat(position, deleteLength, insertString, sourceText);
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let snapshot = lineIndex.edit(position, deleteLength, insertString);
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let editedText = snapshot.getText(0, snapshot.getLength());
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assert.equal(editedText, checkText);
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}
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describe('VersionCache TS code', () => {
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var testContent = `/// <reference path="z.ts" />
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var x = 10;
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var y = { zebra: 12, giraffe: "ell" };
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z.a;
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class Point {
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x: number;
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}
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k=y;
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var p:Point=new Point();
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var q:Point=<Point>p;`
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let {lines, lineMap} = server.LineIndex.linesFromText(testContent);
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assert.isTrue(lines.length > 0, "Failed to initialize test text. Expected text to have at least one line");
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let lineIndex = new server.LineIndex();
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lineIndex.load(lines);
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function validateEditAtLineCharIndex(line: number, char: number, deleteLength: number, insertString: string): void {
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let position = lineColToPosition(lineIndex, line, char);
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validateEdit(lineIndex, testContent, position, deleteLength, insertString);
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}
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it('change 9 1 0 1 {"y"}', () => {
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validateEditAtLineCharIndex(9, 1, 0, "y");
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});
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it('change 9 2 0 1 {"."}', () => {
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validateEditAtLineCharIndex(9, 2, 0, ".");
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});
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it('change 9 3 0 1 {"\\n"}', () => {
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validateEditAtLineCharIndex(9, 3, 0, "\n");
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});
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it('change 10 1 0 10 {"\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n"}', () => {
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validateEditAtLineCharIndex(10, 1, 0, "\n\n\n\n\n\n\n\n\n\n");
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});
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it('change 19 1 1 0', () => {
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validateEditAtLineCharIndex(19, 1, 1, "");
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});
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it('change 18 1 1 0', () => {
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validateEditAtLineCharIndex(18, 1, 1, "");
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});
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});
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describe('VersionCache simple text', () => {
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let testContent = `in this story:
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the lazy brown fox
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jumped over the cow
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that ate the grass
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that was purple at the tips
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and grew 1cm per day`;
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let {lines, lineMap} = server.LineIndex.linesFromText(testContent);
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assert.isTrue(lines.length > 0, "Failed to initialize test text. Expected text to have at least one line");
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let lineIndex = new server.LineIndex();
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lineIndex.load(lines);
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function validateEditAtPosition(position: number, deleteLength: number, insertString: string): void {
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validateEdit(lineIndex, testContent, position, deleteLength, insertString);
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}
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it('Insert at end of file', () => {
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validateEditAtPosition(testContent.length, 0, "hmmmm...\r\n");
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});
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it('Unusual line endings merge', () => {
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validateEditAtPosition(lines[0].length - 1, lines[1].length, "");
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});
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it('Delete whole line and nothing but line (last line)', () => {
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validateEditAtPosition(lineMap[lineMap.length - 2], lines[lines.length - 1].length, "");
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});
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it('Delete whole line and nothing but line (first line)', () => {
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validateEditAtPosition(0, lines[0].length, "");
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});
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it('Delete whole line (first line) and insert with no line breaks', () => {
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validateEditAtPosition(0, lines[0].length, "moo, moo, moo! ");
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});
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it('Delete whole line (first line) and insert with multiple line breaks', () => {
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validateEditAtPosition(0, lines[0].length, "moo, \r\nmoo, \r\nmoo! ");
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});
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it('Delete multiple lines and nothing but lines (first and second lines)', () => {
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validateEditAtPosition(0, lines[0].length + lines[1].length, "");
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});
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it('Delete multiple lines and nothing but lines (second and third lines)', () => {
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validateEditAtPosition(lines[0].length, lines[1].length + lines[2].length, "");
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});
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it('Insert multiple line breaks', () => {
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validateEditAtPosition(21, 1, "cr...\r\ncr...\r\ncr...\r\ncr...\r\ncr...\r\ncr...\r\ncr...\r\ncr...\r\ncr...\r\ncr...\r\ncr...\r\ncr");
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});
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it('Insert multiple line breaks', () => {
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validateEditAtPosition(21, 1, "cr...\r\ncr...\r\ncr");
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});
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it('Insert multiple line breaks with leading \\n', () => {
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validateEditAtPosition(21, 1, "\ncr...\r\ncr...\r\ncr");
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});
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it('Single line no line breaks deleted or inserted, delete 1 char', () => {
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validateEditAtPosition(21, 1, "");
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});
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it('Single line no line breaks deleted or inserted, insert 1 char', () => {
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validateEditAtPosition(21, 0, "b");
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});
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it('Single line no line breaks deleted or inserted, delete 1, insert 2 chars', () => {
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validateEditAtPosition(21, 1, "cr");
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});
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it('Delete across line break (just the line break)', () => {
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validateEditAtPosition(21, 22, "");
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});
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it('Delete across line break', () => {
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validateEditAtPosition(21, 32, "");
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});
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it('Delete across multiple line breaks and insert no line breaks', () => {
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validateEditAtPosition(21, 42, "");
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});
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it('Delete across multiple line breaks and insert text', () => {
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validateEditAtPosition(21, 42, "slithery ");
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});
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});
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describe('VersionCache stress test', () => {
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const iterationCount = 20;
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//const interationCount = 20000; // uncomment for testing
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// Use scanner.ts, decent size, does not change frequentlly
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let testFileName = "src/compiler/scanner.ts";
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let testContent = Harness.IO.readFile(testFileName);
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let totalChars = testContent.length;
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assert.isTrue(totalChars > 0, "Failed to read test file.");
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let {lines, lineMap} = server.LineIndex.linesFromText(testContent);
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assert.isTrue(lines.length > 0, "Failed to initialize test text. Expected text to have at least one line");
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let lineIndex = new server.LineIndex();
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lineIndex.load(lines);
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let rsa: number[] = [];
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let la: number[] = [];
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let las: number[] = [];
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let elas: number[] = [];
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let ersa: number[] = [];
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let ela: number[] = [];
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let etotalChars = totalChars;
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for (let j = 0; j < 100000; j++) {
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rsa[j] = Math.floor(Math.random() * totalChars);
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la[j] = Math.floor(Math.random() * (totalChars - rsa[j]));
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if (la[j] > 4) {
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las[j] = 4;
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}
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else {
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las[j] = la[j];
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}
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if (j < 4000) {
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ersa[j] = Math.floor(Math.random() * etotalChars);
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ela[j] = Math.floor(Math.random() * (etotalChars - ersa[j]));
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if (ela[j] > 4) {
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elas[j] = 4;
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}
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else {
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elas[j] = ela[j];
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}
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etotalChars += (las[j] - elas[j]);
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}
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}
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it("Range (average length 1/4 file size)", () => {
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for (let i = 0; i < iterationCount; i++) {
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let s2 = lineIndex.getText(rsa[i], la[i]);
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let s1 = testContent.substring(rsa[i], rsa[i] + la[i]);
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assert.equal(s1, s2);
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}
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});
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it("Range (average length 4 chars)", () => {
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for (let j = 0; j < iterationCount; j++) {
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let s2 = lineIndex.getText(rsa[j], las[j]);
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let s1 = testContent.substring(rsa[j], rsa[j] + las[j]);
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assert.equal(s1, s2);
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}
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});
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it("Edit (average length 4)", () => {
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for (let i = 0; i < iterationCount; i++) {
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let insertString = testContent.substring(rsa[100000 - i], rsa[100000 - i] + las[100000 - i]);
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let snapshot = lineIndex.edit(rsa[i], las[i], insertString);
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let checkText = editFlat(rsa[i], las[i], insertString, testContent);
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let snapText = snapshot.getText(0, checkText.length);
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assert.equal(checkText, snapText);
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}
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});
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it("Edit ScriptVersionCache ", () => {
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let svc = server.ScriptVersionCache.fromString(testContent);
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let checkText = testContent;
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for (let i = 0; i < iterationCount; i++) {
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let insertString = testContent.substring(rsa[i], rsa[i] + las[i]);
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svc.edit(ersa[i], elas[i], insertString);
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checkText = editFlat(ersa[i], elas[i], insertString, checkText);
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if (0 == (i % 4)) {
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let snap = svc.getSnapshot();
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let snapText = snap.getText(0, checkText.length);
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assert.equal(checkText, snapText);
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}
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}
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});
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it("Edit (average length 1/4th file size)", () => {
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for (let i = 0; i < iterationCount; i++) {
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let insertString = testContent.substring(rsa[100000 - i], rsa[100000 - i] + la[100000 - i]);
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let snapshot = lineIndex.edit(rsa[i], la[i], insertString);
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let checkText = editFlat(rsa[i], la[i], insertString, testContent);
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let snapText = snapshot.getText(0, checkText.length);
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assert.equal(checkText, snapText);
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}
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});
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it("Line/offset from pos", () => {
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for (let i = 0; i < iterationCount; i++) {
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let lp = lineIndex.charOffsetToLineNumberAndPos(rsa[i]);
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let lac = ts.computeLineAndCharacterOfPosition(lineMap, rsa[i]);
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assert.equal(lac.line + 1, lp.line, "Line number mismatch " + (lac.line + 1) + " " + lp.line + " " + i);
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assert.equal(lac.character, (lp.offset), "Charachter offset mismatch " + lac.character + " " + lp.offset + " " + i);
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}
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});
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it("Start pos from line", () => {
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for (let i = 0; i < iterationCount; i++) {
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for (let j = 0, llen = lines.length; j < llen; j++) {
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let lineInfo = lineIndex.lineNumberToInfo(j + 1);
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let lineIndexOffset = lineInfo.offset;
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let lineMapOffset = lineMap[j];
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assert.equal(lineIndexOffset, lineMapOffset);
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}
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}
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});
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});
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}
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