Test that "infinity" is not recognized as numeric

Author: gibson042

implementation-contributed/v8/mjsunit/harmony/to-number.js

@@ -20,6 +20,7 @@ assertEquals(-1, %ToNumber("-1"));
 assertEquals(123, %ToNumber("123"));
 assertEquals(NaN, %ToNumber("random text"));
 assertEquals(NaN, %ToNumber("INFINITY"));
+assertEquals(NaN, %ToNumber("infinity"));
 
 assertThrows(function() { %ToNumber(Symbol.toPrimitive) }, TypeError);
 

test/built-ins/Number/S15.7.1.1_A1.js

@@ -25,3 +25,4 @@ assert.sameValue(
 
 assert.sameValue(Number("abc"), NaN, 'Number("abc") returns NaN');
 assert.sameValue(Number("INFINITY"), NaN, 'Number("INFINITY") returns NaN');
+assert.sameValue(Number("infinity"), NaN, 'Number("infinity") returns NaN');

test/language/expressions/unary-plus/S11.4.6_A3_T3.js

@@ -26,3 +26,8 @@ if (isNaN(+"x") !== true) {
 if (isNaN(+"INFINITY") !== true) {
   throw new Test262Error('#4: +"INFINITY" === Not-a-Number. Actual: ' + (+"INFINITY"));
 }
+
+//CHECK#5
+if (isNaN(+"infinity") !== true) {
+  throw new Test262Error('#5: +"infinity" === Not-a-Number. Actual: ' + (+"infinity"));
+}