# isNonPositiveInteger
> Test if a value is a number having a nonpositive integer value.
## Usage
```javascript
var isNonPositiveInteger = require( '@stdlib/assert/is-nonpositive-integer' );
```
#### isNonPositiveInteger( value )
Tests if a `value` is a `number` having a nonpositive `integer` value.
```javascript
var Number = require( '@stdlib/number/ctor' );
var bool = isNonPositiveInteger( -5.0 );
// returns true
bool = isNonPositiveInteger( new Number( -5.0 ) );
// returns true
bool = isNonPositiveInteger( 5.0 );
// returns false
bool = isNonPositiveInteger( -3.14 );
// returns false
bool = isNonPositiveInteger( null );
// returns false
```
#### isNonPositiveInteger.isPrimitive( value )
Tests if a `value` is a primitive `number` having a nonpositive `integer` value.
```javascript
var Number = require( '@stdlib/number/ctor' );
var bool = isNonPositiveInteger.isPrimitive( -3.0 );
// returns true
bool = isNonPositiveInteger.isPrimitive( new Number( -3.0 ) );
// returns false
```
#### isNonPositiveInteger.isObject( value )
Tests if a `value` is a `Number` object having a nonpositive `integer` value.
```javascript
var Number = require( '@stdlib/number/ctor' );
var bool = isNonPositiveInteger.isObject( -3.0 );
// returns false
bool = isNonPositiveInteger.isObject( new Number( -3.0 ) );
// returns true
```
## Examples
```javascript
var Number = require( '@stdlib/number/ctor' );
var isNonPositiveInteger = require( '@stdlib/assert/is-nonpositive-integer' );
var bool = isNonPositiveInteger( -5.0 );
// returns true
bool = isNonPositiveInteger( new Number( -5.0 ) );
// returns true
bool = isNonPositiveInteger( 0.0 );
// returns true
bool = isNonPositiveInteger( -3.14 );
// returns false
bool = isNonPositiveInteger( 5.0 );
// returns false
bool = isNonPositiveInteger( '-5' );
// returns false
bool = isNonPositiveInteger( null );
// returns false
```