jscript: Fixed Number.toFixed for value 0 with 0 precision.

dlls/jscript/number.c

@@ -99,15 +99,17 @@ static inline jsstr_t *number_to_fixed(double val, int prec)
     jsstr_t *ret;
     WCHAR *str;
 
+    TRACE("%lf %d\n", val, prec);
+
     if(val < 0) {
         neg = TRUE;
         val = -val;
     }
 
-    if(val<=-1 || val>=1)
+    if(val >= 1)
         buf_size = log10(val)+prec+2;
     else
-        buf_size = prec+1;
+        buf_size = prec ? prec+1 : 2;
     if(buf_size > NUMBER_DTOA_SIZE)
         buf_size = NUMBER_DTOA_SIZE;
 

dlls/jscript/tests/api.js

@@ -1204,6 +1204,14 @@ ok(tmp === "101.1", "num(5.5).toString(2) = " + tmp);
 
 tmp = (new Number(3)).toFixed(3);
 ok(tmp === "3.000", "num(3).toFixed(3) = " + tmp);
+tmp = (new Number(3)).toFixed();
+ok(tmp === "3", "Number(3).toFixed() = " + tmp);
+tmp = (new Number(0)).toFixed();
+ok(tmp === "0", "Number(0).toFixed() = " + tmp);
+tmp = (new Number(0)).toFixed(1);
+ok(tmp === "0.0", "Number(0).toFixed(1) = " + tmp);
+tmp = (new Number(0)).toFixed(2);
+ok(tmp === "0.00", "Number(0).toFixed(2) = " + tmp);
 tmp = (new Number(1.76)).toFixed(1);
 ok(tmp === "1.8", "num(1.76).toFixed(1) = " + tmp);
 tmp = (new Number(7.92)).toFixed(5);