fix Number(null)

[drsm]

https://www.ecma-international.org/ecma-262/6.0/#sec-number-constructor-number-value

[xeioex]

# HG changeset patch
# User Dmitry Volyntsev <xeioex@nginx.com>
# Date 1530552353 -10800
#      Mon Jul 02 20:25:53 2018 +0300
# Node ID bbc7f3cc0c9297bac072f4e86cc83ea9232813cd
# Parent  135f33d06df56e9064b4768bb9642f63b98a7fc9
Fixed Number() with boolean, null and undefined arguments.

This fixes #25 issue on GitHub.

diff --git a/njs/njs_number.c b/njs/njs_number.c
--- a/njs/njs_number.c
+++ b/njs/njs_number.c
@@ -377,7 +377,7 @@ njs_number_constructor(njs_vm_t *vm, njs
     }
 
     if (vm->top_frame->ctor) {
-        object = njs_object_value_alloc(vm, value, value->type);
+        object = njs_object_value_alloc(vm, value, NJS_NUMBER);
         if (nxt_slow_path(object == NULL)) {
             return NXT_ERROR;
         }
@@ -387,7 +387,7 @@ njs_number_constructor(njs_vm_t *vm, njs
         vm->retval.data.truth = 1;
 
     } else {
-        vm->retval = *value;
+        njs_value_number_set(&vm->retval, value->data.u.number);
     }
 
     return NXT_OK;
diff --git a/njs/test/njs_unit_test.c b/njs/test/njs_unit_test.c
--- a/njs/test/njs_unit_test.c
+++ b/njs/test/njs_unit_test.c
@@ -6117,6 +6117,30 @@ static njs_unit_test_t  njs_test[] =
     { nxt_string("new Number"),
       nxt_string("0") },
 
+    { nxt_string("new Number(undefined)"),
+      nxt_string("NaN") },
+
+    { nxt_string("new Number(null)"),
+      nxt_string("0") },
+
+    { nxt_string("new Number(true)"),
+      nxt_string("1") },
+
+    { nxt_string("new Number(false)"),
+      nxt_string("0") },
+
+    { nxt_string("Number(undefined)"),
+      nxt_string("NaN") },
+
+    { nxt_string("Number(null)"),
+      nxt_string("0") },
+
+    { nxt_string("Number(true)"),
+      nxt_string("1") },
+
+    { nxt_string("Number(false)"),
+      nxt_string("0") },
+
     { nxt_string("Number(123)"),
       nxt_string("123") },
 

[drsm]

the patch works for me, thanks!