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839 packages found
Assertion toolkit for Puppeteer.
This module extends the [Unexpected](https://github.com/unexpectedjs/unexpected) assertion library with integration for the [Sinonjs](http://sinonjs.org/) mocking library.
Test if a finite numeric value is an even number.
Test if a value is a number having a positive value.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- number
- numeric
- positive
- is
- isnumber
- isnumeric
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Test if a value is a complex number-like object.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- is
- iscomplex
- complex
- complex64
- complex128
- 64-bit
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Node.js test runner that lets you develop with confidence.
Test if a value is NaN.
Test if a value is an ArrayBuffer.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- arraybuffer
- array
- buffer
- typed
- typed array
- typed-array
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Small footprint library that helps with typescript assertions.
node.js streams plugin for the Unexpected assertion library
jQuery assertions for the Chai assertion library
Test if a value is an Int32Array.
Test if a value is a typed array.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed array
- is
- istypedarray
- istyped
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Extends Tape with new assertions
Test whether a value has in its prototype chain a specified constructor as a prototype property.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- prototype
- proto
- inherit
- inherits
- class
- oop
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Validation utilities
TypeScript predicates library
Test if a double-precision floating-point numeric value is negative zero.
- stdlib
- stdmath
- assertion
- assert
- utilities
- utility
- utils
- util
- math
- mathematics
- ieee754
- floating-point
- float
- number
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Test if a value is an Int16Array.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- int16array
- int16
- signed
- integer
- int
- short
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Test if a value is an Int8Array.