1 files changed, 120 insertions, 0 deletions
diff --git a/js/src/tests/ecma_3/Number/15.7.4.7-1.js b/js/src/tests/ecma_3/Number/15.7.4.7-1.js
new file mode 100644
index 000000000..e754528d5
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+++ b/js/src/tests/ecma_3/Number/15.7.4.7-1.js
@@ -0,0 +1,120 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * Date: 2001-07-15
+ *
+ * SUMMARY: Testing Number.prototype.toPrecision(precision)
+ * See EMCA 262 Edition 3 Section 15.7.4.7
+ *
+ * Also see http://bugzilla.mozilla.org/show_bug.cgi?id=90551
+ *
+ */
+//-----------------------------------------------------------------------------
+var UBound = 0;
+var BUGNUMBER = '(none)';
+var summary = 'Testing Number.prototype.toPrecision(precision)';
+var cnIsRangeError = 'instanceof RangeError';
+var cnNotRangeError = 'NOT instanceof RangeError';
+var cnNoErrorCaught = 'NO ERROR CAUGHT...';
+var status = '';
+var statusitems = [];
+var actual = '';
+var actualvalues = [];
+var expect= '';
+var expectedvalues = [];
+var testNum = 5.123456;
+
+
+status = 'Section A of test: no error intended!';
+actual = testNum.toPrecision(4);
+expect = '5.123';
+captureThis();
+
+status = 'Section B of test: Infinity.toPrecision() with out-of-range fractionDigits';
+actual = Number.POSITIVE_INFINITY.toPrecision(-3);
+expect = 'Infinity';
+captureThis();
+
+status = 'Section C of test: -Infinity.toPrecision() with out-of-range fractionDigits';
+actual = Number.NEGATIVE_INFINITY.toPrecision(-3);
+expect = '-Infinity';
+captureThis();
+
+status = 'Section D of test: NaN.toPrecision() with out-of-range fractionDigits';
+actual = Number.NaN.toPrecision(-3);
+expect = 'NaN';
+captureThis();
+
+
+///////////////////////////    OOPS....    ///////////////////////////////
+/*************************************************************************
+ * 15.7.4.7 Number.prototype.toPrecision(precision)
+ *
+ * An implementation is permitted to extend the behaviour of toPrecision
+ * for values of precision less than 1 or greater than 21. In this
+ * case toPrecision would not necessarily throw RangeError for such values.
+
+status = 'Section B of test: expect RangeError because precision < 1';
+actual = catchError('testNum.toPrecision(0)');
+expect = cnIsRangeError;
+captureThis();
+
+status = 'Section C of test: expect RangeError because precision < 1';
+actual = catchError('testNum.toPrecision(-4)');
+expect = cnIsRangeError;
+captureThis();
+
+status = 'Section D of test: expect RangeError because precision > 21 ';
+actual = catchError('testNum.toPrecision(22)');
+expect = cnIsRangeError;
+captureThis();
+*************************************************************************/
+
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+
+function captureThis()
+{
+  statusitems[UBound] = status;
+  actualvalues[UBound] = actual;
+  expectedvalues[UBound] = expect;
+  UBound++;
+}
+
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  for (var i = 0; i < UBound; i++)
+  {
+    reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
+  }
+
+  exitFunc ('test');
+}
+
+
+function catchError(sEval)
+{
+  try {eval(sEval);}
+  catch(e) {return isRangeError(e);}
+  return cnNoErrorCaught;
+}
+
+
+function isRangeError(obj)
+{
+  if (obj instanceof RangeError)
+    return cnIsRangeError;
+  return cnNotRangeError;
+}