utils: Add function to split string once

Adds a function to split a string at the
first occurance of a separator, leaving any
extra occurances in second part.

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/utilsTest.js b/tests/utilsTest.js
index ddd010d3..09fb180f 100644
--- a/tests/utilsTest.js
+++ b/tests/utilsTest.js
@@ -41,6 +41,7 @@ function main() {
     validWebsiteTest();
     validEmailTest();
     firstToLocaleUpperCaseTest();
+    splitAtFirstTest();
 }
 
 function osmTypeToStringTest() {
@@ -137,3 +138,15 @@ function firstToLocaleUpperCaseTest() {
     JsUnit.assertEquals('فارسی', Utils.firstToLocaleUpperCase('فارسی'));
     JsUnit.assertEquals('日本語', Utils.firstToLocaleUpperCase('日本語'));
 }
+
+function _assertPair(first, second, array) {
+    JsUnit.assertEquals(2, array.length);
+    JsUnit.assertEquals(first, array[0]);
+    JsUnit.assertEquals(second, array[1]);
+}
+
+function splitAtFirstTest() {
+    _assertPair('q', 'Query', Utils.splitAtFirst('q=Query', '='));
+    _assertPair('q', 'Query=more', Utils.splitAtFirst('q=Query=more', '='));
+    JsUnit.assertEquals(1, Utils.splitAtFirst('noseparator', '=').length);
+}