Tools: Moved lib-specific tests under lib package

packages/lib/fsDriver.test.ts

@@ -0,0 +1,29 @@
+import FsDriverNode from './fs-driver-node';
+import shim from './shim';
+const { expectThrow } = require('./testing/test-utils.js');
+
+// On Windows, path.resolve is going to convert a path such as
+// /tmp/file.txt to c:\tmp\file.txt
+function platformPath(path: string) {
+	if (shim.isWindows()) {
+		return `c:${path.replace(/\//g, '\\')}`;
+	} else {
+		return path;
+	}
+}
+
+describe('fsDriver', function() {
+
+	it('should resolveRelativePathWithinDir', () => {
+		const fsDriver = new FsDriverNode();
+		expect(fsDriver.resolveRelativePathWithinDir('/test/temp', './my/file.txt').toLowerCase()).toBe(platformPath('/test/temp/my/file.txt'));
+		expect(fsDriver.resolveRelativePathWithinDir('/', './test').toLowerCase()).toBe(platformPath('/test'));
+		expect(fsDriver.resolveRelativePathWithinDir('/test', 'myfile.txt').toLowerCase()).toBe(platformPath('/test/myfile.txt'));
+		expect(fsDriver.resolveRelativePathWithinDir('/test/temp', './mydir/../test.txt').toLowerCase()).toBe(platformPath('/test/temp/test.txt'));
+
+		expectThrow(() => fsDriver.resolveRelativePathWithinDir('/test/temp', '../myfile.txt'));
+		expectThrow(() => fsDriver.resolveRelativePathWithinDir('/test/temp', './mydir/../../test.txt'));
+		expectThrow(() => fsDriver.resolveRelativePathWithinDir('/test/temp', '/var/local/no.txt'));
+	});
+
+});