--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/suffixLabels.test.ts	Thu Dec 12 22:52:57 2019 -0800
@@ -0,0 +1,71 @@
+//import {describe, test, expect} from 'jest';
+import { SuffixLabels } from './suffixLabels';
+
+describe('_tailSegments', () => {
+  test("returns right amount", () => {
+    expect(SuffixLabels._tailSegments('http://foo/a/bb', 0)).equalTo('');
+    //   t.is(SuffixLabels._tailSegments('http://foo/a/bb', 1), 'bb');
+    //   t.is(SuffixLabels._tailSegments('http://foo/a/bb', 2), 'a/bb');
+    //   t.is(SuffixLabels._tailSegments('http://foo/a/bb', 3), 'foo/a/bb');
+    //   t.is(SuffixLabels._tailSegments('http://foo/a/bb', 4), '/foo/a/bb');
+    //   t.is(SuffixLabels._tailSegments('http://foo/a/bb', 5), 'http://foo/a/bb');
+  });
+  // test("_tailSegments ok with trailing slash", (t) => {
+  //   t.is(SuffixLabels._tailSegments('http://foo/', 0), '');
+  //   t.is(SuffixLabels._tailSegments('http://foo/', 1), '');
+  //   t.is(SuffixLabels._tailSegments('http://foo/', 2), 'foo/');
+});
+
+
+// describe("suffixLabels", () => {
+//   const fakeNode = (uri: string) => { return { nominalValue: uri } };
+
+//   it("returns whole url segments", () => {
+//     const suf = new SuffixLabels();
+//     suf._planDisplayForUri('http://a/b/c/dd');
+//     suf._planDisplayForUri('http://a/b/c/ee');
+
+//     t.is(suf.getLabelForNode('http://a/b/c/dd'), 'dd');
+//     t.is(suf.getLabelForNode('http://a/b/c/ee'), 'ee');
+//   });
+
+//   it("doesn't treat a repeated uri as a name clash", () => {
+//     const suf = new SuffixLabels();
+//     suf._planDisplayForUri('http://a/b/c');
+//     suf._planDisplayForUri('http://a/b/c');
+
+//     t.is(suf.getLabelForNode('http://a/b/c'), 'c');
+//   });
+
+//   it("moves to two segments when needed", () => {
+//     const suf = new SuffixLabels();
+//     suf._planDisplayForUri('http://a/b/c/d');
+//     suf._planDisplayForUri('http://a/b/f/d');
+
+//     t.is(suf.getLabelForNode('http://a/b/c/d'), 'c/d');
+//     t.is(suf.getLabelForNode('http://a/b/f/d'), 'f/d');
+//   });
+
+//   it("is ok with clashes at different segment positions", () => {
+//     const suf = new SuffixLabels();
+//     suf._planDisplayForUri('http://z/z/z/a/b/c');
+//     suf._planDisplayForUri('http://a/b/c');
+
+//     t.is(suf.getLabelForNode('http://z/z/z/a/b/c'), 'z/a/b/c');
+//     t.is(suf.getLabelForNode('http://a/b/c'), '/a/b/c');
+//   });
+
+//   it("uses appropriately long suffixes per uri", () => {
+//     const suf = new SuffixLabels();
+//     suf._planDisplayForUri('http://a/b/c/d/e');
+//     suf._planDisplayForUri('http://a/b/f/d/e');
+//     suf._planDisplayForUri('http://a/b/c/g');
+//     suf._planDisplayForUri('http://a/z');
+
+//     t.is(suf.getLabelForNode('http://a/b/c/d/e'), 'c/d/e');
+//     t.is(suf.getLabelForNode('http://a/b/f/d/e'), 'f/d/e');
+//     t.is(suf.getLabelForNode('http://a/b/c/g'), 'g');
+//     t.is(suf.getLabelForNode('http://a/z'), 'z');
+//   });
+
+// });
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