Intl.Segmenter: Submit remaining V8 tests.

test/intl402/Segmenter/prototype/segment/segment-sentence-next.js

@@ -30,12 +30,16 @@ for (const text of [
     ]) {
   const iter = seg.segment(text);
   let segments = [];
+  let oldPos = -1;
   for (let result = iter.next(); !result.done; result = iter.next()) {
     const v = result.value;
     assert(["sep", "term"].includes(iter.breakType), iter.breakType);
     assert.sameValue("string", typeof v.segment);
     assert(v.segment.length > 0);
     segments.push(v.segment);
+    assert.sameValue(typeof v.position, "number");
+    assert(oldPos < v.position);
+    oldPos = v.position;
   }
   assert.sameValue(text, segments.join(''));
 }

test/intl402/Segmenter/prototype/segment/segment-tostring.js

+// Copyright 2018 the V8 project authors, Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-Intl.Segmenter.prototype.segment
+description: Verifies the string coercion in the "segment" function of the Segmenter prototype object.
+info: |
+    Intl.Segmenter.prototype.segment( string )
+
+    3. Let string be ? ToString(string).
+features: [Intl.Segmenter]
+---*/
+
+const tests = [
+  [[], "undefined"],
+  [[undefined], "undefined"],
+  [[null], "null"],
+  [[true], "true"],
+  [[false], "false"],
+  [[12], "12"],
+  [[1.23], "1.23"],
+  [[["a", "b"]], "a"],
+  [[{}], "["], // "[object Object]"
+];
+
+const segmenter = new Intl.Segmenter("en", { "granularity": "word" });
+for (const [args, expected] of tests) {
+  const iterator = segmenter.segment(...args);
+  const result = iterator.next().value;
+  assert.sameValue(result.segment, expected, `Expected segment "${expected}", found "${result.segment}" for arguments ${args}`);
+  assert(["word", "none"].includes(result.breakType), `Expected valid breakType, found "${result.breakType}" for arguments ${args}`);
+  assert.sameValue(result.position, expected.length, `Expected position ${expected.length}, found ${result.position} for arguments ${args}`);
+}
+
+const symbol = Symbol();
+assert.throws(TypeError, () => segmenter.segment(symbol));

test/intl402/Segmenter/prototype/segment/segment-word-next.js

@@ -30,12 +30,16 @@ for (const text of [
     ]) {
   const iter = seg.segment(text);
   let segments = [];
+  let oldPos = -1;
   for (let result = iter.next(); !result.done; result = iter.next()) {
     const v = result.value;
     assert(["word", "none"].includes(iter.breakType), iter.breakType);
     assert.sameValue("string", typeof v.segment);
     assert(v.segment.length > 0);
     segments.push(v.segment);
+    assert.sameValue(typeof v.position, "number");
+    assert(oldPos < v.position);
+    oldPos = v.position;
   }
   assert.sameValue(text, segments.join(''));
 }