Number.prototype functions should throw TypeError if 'this' is not number.

JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai.u-szeged@partner.samsung.com

tests/jerry/number-prototype-to-exponential.js

@@ -63,3 +63,10 @@ try {
 } catch (e) {
     assert(e instanceof RangeError)
 }
+
+try {
+    Number.prototype.toExponential.call(new Object());
+    assert(false);
+} catch (e) {
+    assert(e instanceof TypeError)
+}

tests/jerry/number-prototype-to-fixed.js

@@ -38,28 +38,11 @@ assert((123456789012345678901.0).toFixed(20) === "123456789012345680000.00000000
 assert((123.56).toFixed(NaN) === "124");
 assert((123.56).toFixed(-0.9) === "124");
 
-var obj = { toFixed : Number.prototype.toFixed };
-assert(obj.toFixed(0) === "NaN");
-
 try {
-    assert(obj.toFixed(Infinity));
+    Number.prototype.toExponential.call(new Object());
     assert(false);
 } catch (e) {
-    assert(e instanceof RangeError);
-}
-
-try {
-    assert(obj.toFixed(-Infinity));
-    assert(false);
-} catch (e) {
-    assert(e instanceof RangeError);
-}
-
-try {
-    assert(obj.toFixed(-1));
-    assert(false);
-} catch (e) {
-    assert(e instanceof RangeError);
+    assert(e instanceof TypeError)
 }
 
 try {

tests/jerry/number-prototype-to-precision.js

@@ -34,8 +34,6 @@ assert((123456789012345678901.0).toPrecision(20) === "1.2345678901234568000e+20"
 assert((123456789012345678901.0).toPrecision(21) === "123456789012345680000");
 assert((123456789012345678901.0).toPrecision("6") === "1.23457e+20");
 
-var obj = { toPrecision : Number.prototype.toPrecision };
-assert(obj.toPrecision(1) === "NaN");
 assert((123.56).toPrecision(1.3) === "1e+2");
 assert((123.56).toPrecision(21.9) === "123.560000000000000000");
 
@@ -52,3 +50,10 @@ try {
 } catch (e) {
     assert(e instanceof RangeError)
 }
+
+try {
+    Number.prototype.toExponential.call(new Object());
+    assert(false);
+} catch (e) {
+    assert(e instanceof TypeError)
+}