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Changelog

0.8.2

  • Bugfix for TCHECK-77, which was a regression in the precision of gen/choose introduced in 0.8.1.

0.8.1

  • Bugfix for TCHECK-73, in which gen/int would sometimes generate doubles.

0.8.0

  • Breaking ClojureScript Change: The namespace names have changed:
    • cljs.*clojure.*
    • cljs.test.check.cljs-testclojure.test.check.clojure-test
  • Randomness is now provided by a port of the java.util.SplittableRandom algorithm, instead of java.util.Random and goog.testing.PsuedoRandom.
  • New functions in clojure.test.check.generators:
    • scale
    • generate

0.7.0

  • Add ClojureScript support, written by @swannodette. More usage can be found in the README.
  • Raise an error if the incorrect arity of defspec is used.
  • Don't export the following private functions:
    • make-rng
    • not-falsey-or-exception?
    • make-gen
    • bind-helper
    • recursive-helper
    • binding-vars
    • binding-gens

0.6.2

  • Fix regression where floating point numbers weren't allowed to describe the number of tests in the defspec macro. Ex: (defspec foo 1e5 ...) now works again.
  • Allow gen/shuffle to work on anything that can be turned into a sequence.
  • Allow for testing to be cancelled inside the REPL with ctrl-c.
  • Fix StackOverflow error that would be caused when generating vector with more than about 10k elements.

0.6.1

  • Fix bug introduced in 0.6.0: The defspec macro could only accept map or numeric literals as options, instead of a symbol.

0.6.0

  • Add a shuffle generator, which generates permutations of a given sequence.

  • Rename alpha-numeric functions to alphanumeric. char-alpha-numeric and string-alpha-numeric are now deprecated in favor of char-alphanumeric and string-alphanumeric. The deprecated versions will be removed in a future version of test.check.

  • Update the defspec macro to allow an optional map argument, which allows for the setting of :seed, :num-tests and :max-size. Examples below:

    (defspec run-with-map {:num-tests 1} (prop/for-all* [gen/int] (constantly true)))
    
    (defspec run-with-map {:num-tests 1
                           :seed 1}
      my-prop)
    
  • Provide better error-messages for the misuse of generator combinators. Many of the functions now test that their arguments are of the appropriate type, and will throw a runtime error otherwise.

  • Print test failures that can be copied directly. For example, print the empty string as "", instead of a blank value. This is fixed by using prn instead of println.

0.5.9

  • Better sizing for recursive generators
  • Add gen/recursive-gen function for writing recursive generators
  • Add keyword and symbol generators that may include namespaces
    • gen/keyword-ns
    • gen/symbol-ns

0.5.8

  • Limit the number of retries for gen/such-that. A two-arity version is provided if you need to retry more than 10 times. This should be a code-smell, though.
  • Return random seed used on test failure
  • Fix keyword generator to conform to reader specs
  • Correct documentation mentions of namespaces
  • Add more detailed contributing instructions
  • Internal: use a record internally for generators. This is meant to help convey the fact that generators are opaque
  • Extract rose-tree code into a separate namespace

0.5.7

  • Rename project to clojure.test.check. See README for migrating from simple-check.

0.5.6

  • Fix choose bug introduced in 0.5.4, the upper-bound was not inclusive.

0.5.5

  • Fix botched release

0.5.4

  • Fix documentation typos
  • Fix defspec default num-tests bug (#52)
  • Fix docstring position on exclude-nth function (#50)
  • Add rose-seq helper function
  • Use full Long range in rand-range (#42)
  • More useful error-message with one-of
  • Add no-shrink and shrink-2 combinators
  • Fix interpose-twice-the-length test (#52)

0.5.3

  • All dependencies are now dev-dependencies
  • Minor doc typo correction

0.5.2

  • Improve shrinking for sequences
  • BACKWARD_INCOMPATIBILITY: update API for gen/hash-map, now mirrors closer the clojure.core API

0.5.1

  • Remove unused dependency (clj-tuple)
  • Add 'any' generator
  • Add not-empty generator modifier
  • Change one-of to shrink toward earlier generators on failure

0.5.0

  • Shrinking will only shrink to values that could have been created by the generator
  • Bugfix with the byte and bytes generator
  • Create strings of variable length (instead of always length=size)
  • Fix off-by-one error in number of tests reported
  • Generate sizes starting at 0, not 1

0.4.1

  • When a property fails, add the result of the final shrink to the output map. This can be found in [:shrunk :result]
  • Make pairs respect their size during shrinking (they're just tuples)
  • Add a default num-tests to defspec

0.4.0

  • tuple generator now creates tuple types (from clj-tuple)

    • BACKWARD_INCOMPATIBILITY: gen/tuple now takes var-args, instead of a vector of arguments. So change:
    (gen/tuple [gen/int gen/boolean])
    

    to

    (gen/tuple gen/int gen/boolean)
    

    Tuples will now retain their size when shrunk.

  • add a ratio generator

  • correctly shrink empty lists

  • switch to codox-md for documentation

0.3.0

  • add strictly-positive and strictly-negative integer generators
  • allow scientific notation in number of tests parameter
  • allow specification of number of elements in vector generator

0.2.1

  • remove unused diff function
  • eliminate reflection warnings

0.2.0

  • added gen/byte and gen/bytes
  • swapped order of args in gen/such-that
  • swapped order of args in simple-check.clojure-test/defspec
  • add implicit do to defspec body

0.1.0

  • First release

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