Module: Minitest::Memory

Defined in:
lib/minitest/memory.rb,
lib/minitest/memory/version.rb

Overview

Version information for minitest-memory.

Defined Under Namespace

Classes: AllocationCounter

Constant Summary collapse

VERSION =

Current version of minitest-memory.

"1.0.0".freeze

Instance Method Summary collapse

Instance Method Details

#assert_allocations(limits) ⇒ Object

Fails if any class in limits exceeds its allocation count within a block. limits is a Hash mapping classes to maximum allowed allocations. Eg:

assert_allocations(String => 1) { "hello" }



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# File 'lib/minitest/memory.rb', line 50

def assert_allocations(limits, &)
  actual = AllocationCounter.count(&)

  limits.each do |klass, max_count|
    count = actual[klass]
    msg = "Expected at most #{max_count} #{klass} allocations, got #{count}"
    assert_operator max_count, :>=, count, msg
  end
end