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VectorCAST

VectorCAST is Vector's commercial embedded software testing platform for C, C++ and Ada unit and integration testing with code coverage up to MC/DC and safety-standard qualification.

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Introduction

VectorCAST is an embedded software testing platform from Vector for C, C++ and Ada. It automates unit and integration testing and measures coverage including statement, branch and MC/DC.

It offers TÜV SÜD qualification packages for standards such as DO-178C, ISO 26262, IEC 62304, EN 50716 and IEC 61508, integrates with Jenkins, VS Code, Simulink and 80+ compilers, and supports GoogleTest through Coded Tests. Tests can run on target with RTOSes like FreeRTOS, VxWorks, QNX and INTEGRITY, and VectorCAST 2026 adds Reqs2x AI requirements-based test generation with engineer review.

In the quality loop VectorCAST serves safety-critical verification.

Features

  1. Unit and integration tests: Automated harnesses.
  2. MC/DC coverage: Safety-grade coverage.
  3. Qualification packages: DO-178C, ISO 26262 and more.
  4. On-target execution: RTOS support.
  5. GoogleTest support: Coded Tests.
  6. AI test generation: Reqs2x with engineer review.

Pros

  1. Certification support: Built for regulated industries.

Cons

  1. No public pricing: Sales-led licensing.
  2. Heavyweight: Overkill for non-safety projects.
  3. Proprietary: Closed source.
  1. Create an environment pointing at the unit under test and compiler.
  2. Generate or write test cases, including Coded Tests.
  3. Run on host or target and review coverage reports.

Resources:

Pricing

Vector does not publish VectorCAST pricing; licences are quoted. A free open-source VS Code extension, VectorCAST Test Explorer, is available.

  1. Automotive, aerospace, medical and rail teams.

Conclusion

VectorCAST is an industry standard for certified embedded testing.

Use the free VS Code Test Explorer extension to evaluate the workflow.

On CheckOps, VectorCAST is filed under the Unit testing, Integration testing and Release & CI gates stages. Related tools listed here include Renode, Ceedling, cmocka, Unity Test (C), labgrid and pytest-embedded. Which one fits best depends mostly on your stack, your team’s size and skills, and whether you prefer to run tools yourself or pay for a managed service. This page reflects the official website, documentation and repository as they stood on 11 November 2026.

Alternatives

Other tools on CheckOps that cover similar ground. Open a page, or compare one with VectorCAST side by side.