diff options
Diffstat (limited to 'modules/libpref/test/unit/test_bug790374.js')
| -rw-r--r-- | modules/libpref/test/unit/test_bug790374.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/modules/libpref/test/unit/test_bug790374.js b/modules/libpref/test/unit/test_bug790374.js new file mode 100644 index 0000000000..d4271a7ff7 --- /dev/null +++ b/modules/libpref/test/unit/test_bug790374.js @@ -0,0 +1,50 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ */ + +function run_test() { + const PREF_NAME = "testPref"; + + var prefs = Services.prefs.getDefaultBranch(null); + var userprefs = Services.prefs.getBranch(null); + + /* First, test to make sure we can parse a float from a string properly. */ + prefs.setCharPref(PREF_NAME, "9.674"); + prefs.lockPref(PREF_NAME); + var myFloat = 9.674; + var fudge = 0.001; + var floatPref = userprefs.getFloatPref(PREF_NAME); + Assert.ok(myFloat + fudge >= floatPref); + Assert.ok(myFloat - fudge <= floatPref); + + /* Now test some failure conditions. */ + prefs.unlockPref(PREF_NAME); + prefs.setCharPref(PREF_NAME, ""); + prefs.lockPref(PREF_NAME); + do_check_throws(function () { + userprefs.getFloatPref(PREF_NAME); + }, Cr.NS_ERROR_ILLEGAL_VALUE); + + prefs.unlockPref(PREF_NAME); + prefs.setCharPref(PREF_NAME, "18.0a1"); + prefs.lockPref(PREF_NAME); + + do_check_throws(function () { + userprefs.getFloatPref(PREF_NAME); + }, Cr.NS_ERROR_ILLEGAL_VALUE); + + prefs.unlockPref(PREF_NAME); + prefs.setCharPref(PREF_NAME, "09.25.2012"); + prefs.lockPref(PREF_NAME); + + do_check_throws(function () { + userprefs.getFloatPref(PREF_NAME); + }, Cr.NS_ERROR_ILLEGAL_VALUE); + + prefs.unlockPref(PREF_NAME); + prefs.setCharPref(PREF_NAME, "aString"); + prefs.lockPref(PREF_NAME); + + do_check_throws(function () { + userprefs.getFloatPref(PREF_NAME); + }, Cr.NS_ERROR_ILLEGAL_VALUE); +} |