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event.lisp
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(in-package #:cl-patterns/tests)
(in-suite cl-patterns-tests)
;;;; t/event.lisp - tests for `event' and related functionality.
;;; TODO:
;; FIX: add more
(test event
"Test event functionality"
(is (= 1
(event-value (event :dur 0 :sustain 1) :sustain))
"event returns the wrong sustain when sustain is provided and dur is 0")
(is (= 0.8
(event-value (event) :sustain))
"event returns the wrong default value for sustain")
(is (= 0.5
(event-value (event :dur 0 :legato 0.5) :legato))
"event returns the wrong legato when legato is provided and dur is 0")
(is (= 0.8
(event-value (event) :legato))
"event returns the wrong default value for legato")
(is (= 1
(event-value (event) :dur))
"event returns the wrong default value for dur")
(is (eql :default
(event-value (event) :instrument))
"event returns the wrong default value for instrument")
(is (= (amp-db 0.125)
(event-value (event :amp 0.125) :db))
"event incorrectly converts amp to db")
(is (= (db-amp -7)
(event-value (event :db -7) :amp))
"event incorrectly converts db to amp")
(is (eql :freq
(cadr (multiple-value-list (event-value (event :freq 420) :midinote))))
"event-value does not provide the key it derives its value from as the second return value")
(is (eql :freq
(cadr (multiple-value-list (event-value (event :freq 420) :rate))))
"event-value does not provide the key it derives its value from as the second return value when called for :rate")
(is-true (let ((*clock* (make-clock 9/7)))
(equal (list 9/7 :tempo)
(multiple-value-list (event-value (event) :tempo))))
"event-value doesn't provide :tempo when getting the tempo from *clock*"))
(test event-beat
"Test the beat key for events"
(is-true (= 5
(slot-value (event :beat 5) 'cl-patterns::%beat))
"event doesn't set the internal %beat slot correctly")
(is-true (= 2
(slot-value (combine-events
(event :beat 3)
(event :beat 2))
'cl-patterns::%beat))
"combine-events doesn't set the internal %beat slot correctly")
(is-true (= 94
(let ((ev (event)))
(setf (event-value ev :beat) 94)
(slot-value ev 'cl-patterns::%beat)))
"setting an event's :beat key incorrectly sets its %beat slot"))
(test event-equal
"Test event-equal"
(is-true (event-equal (event :dur 1) (event :dur 1))
"event-equal doesn't return true for equivalent events")
(is-false (event-equal (event :dur 1) (event :dur 1 :foo 2))
"event-equal doesn't return false for events with differing keys")
(is-true (event-equal (list (event :foo 1)) (event :foo 1))
"event-equal doesn't consider an event to be equal to a list of the same event"))
(test every-event-equal
"Test every-event-equal"
(is-true (every-event-equal
(list (event :freq 440))
(list (event :freq 440)))
"every-event-equal doesn't return true for two lists of equivalent events")
(is-false (every-event-equal
(list (event :dur 1))
(list))
"every-event-equal doesn't return false for two lists of different length"))
(test events-differing-keys
"Test `events-differing-keys'"
(is-true (equal (list :bar)
(events-differing-keys (event :foo 1 :bar 2) (event :foo 1 :bar 4) (event :foo 1 :bar 5)))
"events-differing-keys doesn't return keys whose values differ")
(is-true (equal (list :foo)
(events-differing-keys (event :foo 1 :bar 5) (event :foo 1 :bar 5) (event :bar 5)))
"events-differing-keys doesn't return keys that are missing from some events"))
(test events-lists-differing-keys
(is (equal (list nil nil (list :bar))
(events-lists-differing-keys (list (event :foo 1 :bar 2) (event :foo 3 :bar 4) (event :foo 3 :bar 5))
(list (event :foo 1 :bar 2) (event :foo 3 :bar 4) (event :foo 3 :bar 6))))
"events-lists-differing-keys returns incorrect results"))
(test combine-events
"Test combine-events"
(is-true (event-equal
(event :foo 1 :bar 2 :baz 3)
(combine-events (event :foo 1) (event :bar 2 :baz 3)))
"combine-events doesn't work correctly on two events")
(is-true (event-equal
(event :freq 450 :qux 69 :baz 3)
(combine-events (event :freq 450) (event :qux 69) (event :baz 3)))
"combine-events doesn't work correctly on three events")
(is-true (event-equal
(event :freq 200)
(combine-events (event :freq 200) (event)))
"combine-events doesn't work correctly for empty second event")
(is-true (event-equal
(event :qux 69)
(combine-events (event) (event :qux 69)))
"combine-events doesn't work correctly for empty first event")
(is-true (eop-p (combine-events eop (event :qux 69)))
"combine-events doesn't work correctly for nil first event")
(is-true (eop-p (combine-events (event :foo 1) eop))
"combine-events doesn't work correctly for nil second event")
(is (event-equal (event)
(copy-event (event)))
"copy-event doesn't copy an empty event")
(is (eql 2
(let ((ev1 (event))
(ev2 (event))
(ev3 (event)))
(setf (slot-value ev1 'cl-patterns::%beat) 1
(slot-value ev2 'cl-patterns::%beat) 2)
(slot-value (combine-events ev1 ev2 ev3) 'cl-patterns::%beat)))
"combine-events doesn't propagate the %beat slot")
(is (eql 2
(let ((ev1 (event))
(ev2 (event :beat 2))
(ev3 (event)))
(setf (slot-value ev1 'cl-patterns::%beat) 1
(slot-value ev3 'cl-patterns::%beat) 3)
(beat (combine-events ev1 ev2 ev3))))
"combine-events doesn't prioritize the :beat key over the %beat slot"))
(test split-event-by-lists
"Test split-event-by-lists"
(is-true (every-event-equal
(list (event :foo 1 :bar 1 :baz 3)
(event :foo 1 :bar 2 :baz 4)
(event :foo 1 :bar 1 :baz 5))
(split-event-by-lists (event :foo 1 :bar (list 1 2) :baz (list 3 4 5))))
"split-event-by-lists returns incorrect results")
(is-true (every-event-equal
(list (event :foo 1 :bar 1 :baz 3)
(event :foo 1 :bar 2 :baz 4)
(event :foo 1 :bar 1 :baz 5))
(split-event-by-lists (event :foo (list 1) :bar (list 1 2) :baz (list 3 4 5))))
"split-event-by-lists returns incorrect results if one of the event values is a list of length 1")
(is-true (equal (list 999)
(let ((event (event)))
(setf (beat event) 999)
(mapcar #'beat (split-event-by-lists event))))
"split-event-by-lists doesn't carry over the %beat slot for empty events")
(is-true (equal (list 999 999 999)
(let ((event (event :midinote (list 40 50 60))))
(setf (beat event) 999)
(mapcar #'beat (split-event-by-lists event))))
"split-event-by-lists doesn't carry over the %beat slot for events with lists"))
(test combine-events-via-lists
"Test combine-events-via-lists"
(is-true (event-equal
(event :foo 1 :bar (list 2 3) :qux 4 :baz 5)
(combine-events-via-lists (event :foo 1 :bar 2 :qux 4) (event :foo 1 :bar 3 :baz 5)))
"combine-events-via-lists returns incorrect results"))