From 511607806cdf6caace67a0a3ae323def768678bd Mon Sep 17 00:00:00 2001
From: Stephen Blott
Date: Thu, 10 Mar 2016 08:50:09 +0000
Subject: Tests; add alphabet-hint hint tests.

This adds tests for a couple of properties that are required of alphabet
hint strings.
---
 tests/dom_tests/dom_tests.coffee | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'tests')

diff --git a/tests/dom_tests/dom_tests.coffee b/tests/dom_tests/dom_tests.coffee
index 3797a37b..024ea801 100644
--- a/tests/dom_tests/dom_tests.coffee
+++ b/tests/dom_tests/dom_tests.coffee
@@ -93,6 +93,21 @@ createGeneralHintTests = (isFilteredMode) ->
       assertStartPosition document.getElementsByTagName("a")[1], hintMarkers[1]
       linkHints.deactivateMode()
 
+    should "generate the correct number of alphabet hints", ->
+      alphabetHints = new AlphabetHints
+      for n in [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+        hintStrings = alphabetHints.hintStrings n
+        assert.equal n, hintStrings.length
+
+    should "generate non-overlapping alphabet hints", ->
+      alphabetHints = new AlphabetHints
+      for n in [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+        hintStrings = alphabetHints.hintStrings n
+        for h1 in hintStrings
+          for h2 in hintStrings
+            unless h1 == h2
+              assert.isFalse 0 == h1.indexOf h2
+
 createGeneralHintTests false
 createGeneralHintTests true
 
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