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+;;;; -*- Mode: Lisp; indent-tabs-mode: nil -*-
+
+(in-package :it.bese.fiveam)
+
+(in-suite* :it.bese.fiveam)
+
+(def-suite test-suite :description "Suite for tests which should fail.")
+
+(defmacro with-test-results ((results test-name) &body body)
+  `(let ((,results (with-*test-dribble* nil (run ',test-name))))
+     ,@body))
+
+(def-fixture null-fixture ()
+  `(progn ,@(&body)))
+
+;;;; Test the checks
+
+(def-test is1 (:suite test-suite)
+  (is (plusp 1))
+  (is (< 0 1))
+  (is (not (plusp -1)))
+  (is (not (< 1 0)))
+  (is-true t)
+  (is-false nil))
+
+(def-test is2 (:suite test-suite :fixture null-fixture)
+  (is (plusp 0))
+  (is (< 0 -1))
+  (is (not (plusp 1)))
+  (is (not (< 0 1)))
+  (is-true nil)
+  (is-false t))
+
+(def-test is (:profile t)
+  (with-test-results (results is1)
+    (is (= 6 (length results)))
+    (is (every #'test-passed-p results)))
+  (with-test-results (results is2)
+    (is (= 6 (length results)))
+    (is (every #'test-failure-p results))))
+
+(def-test signals/finishes ()
+  (signals error
+    (error "an error"))
+  (finishes
+   (signals error
+    (error "an error"))))
+
+(def-test pass ()
+  (pass))
+
+(def-test fail1 (:suite test-suite)
+  (fail "This is supposed to fail"))
+
+(def-test fail ()
+  (with-test-results (results fail1)
+    (is (= 1 (length results)))
+    (is (test-failure-p (first results)))))
+
+;;;; non top level checks
+
+(def-test foo-bar ()
+  (let ((state 0))
+    (is (= 0 state))
+    (is (= 1 (incf state)))))
+
+;;;; Test dependencies
+
+(def-test ok (:suite test-suite)
+  (pass))
+
+(def-test not-ok (:suite test-suite)
+  (fail "This is supposed to fail."))
+
+(def-test and1 (:depends-on (and ok not-ok) :suite test-suite)
+  (fail))
+
+(def-test and2 (:depends-on (and ok) :suite test-suite)
+  (pass))
+
+(def-test dep-and ()
+  (with-test-results (results and1)
+    (is (= 3 (length results)))
+    ;; we should have one skippedw one failed and one passed
+    (is (some #'test-passed-p results))
+    (is (some #'test-skipped-p results))
+    (is (some #'test-failure-p results)))
+  (with-test-results (results and2)
+    (is (= 2 (length results)))
+    (is (every #'test-passed-p results))))
+
+(def-test or1 (:depends-on (or ok not-ok) :suite test-suite)
+  (pass))
+
+(def-test or2 (:depends-on (or not-ok ok) :suite test-suite)
+  (pass))
+
+(def-test dep-or ()
+  (with-test-results (results or1)
+    (is (= 2 (length results)))
+    (is (every #'test-passed-p results)))
+  (with-test-results (results or2)
+    (is (= 3 (length results)))
+    (is (= 2 (length (remove-if-not #'test-passed-p results))))))
+
+(def-test not1 (:depends-on (not not-ok) :suite test-suite)
+  (pass))
+
+(def-test not2 (:depends-on (not ok) :suite test-suite)
+  (fail))
+
+(def-test not ()
+  (with-test-results (results not1)
+    (is (= 2 (length results)))
+    (is (some #'test-passed-p results))
+    (is (some #'test-failure-p results)))
+  (with-test-results (results not2)
+    (is (= 2 (length results)))
+    (is (some #'test-passed-p results))
+    (is (some #'test-skipped-p results))))
+
+(def-test nested-logic (:depends-on (and ok (not not-ok) (not not-ok))
+                        :suite test-suite)
+  (pass))
+
+(def-test dep-nested ()
+  (with-test-results (results nested-logic)
+    (is (= 3 (length results)))
+    (is (= 2 (length (remove-if-not #'test-passed-p results))))
+    (is (= 1 (length (remove-if-not #'test-failure-p results))))))
+
+(def-test circular-0 (:depends-on (and circular-1 circular-2 or1) 
+                      :suite test-suite)
+  (fail "we depend on a circular dependency, we should not be tested."))
+
+(def-test circular-1 (:depends-on (and circular-2)
+                      :suite test-suite)
+  (fail "we have a circular depednency, we should not be tested."))
+
+(def-test circular-2 (:depends-on (and circular-1)
+                      :suite test-suite)
+  (fail "we have a circular depednency, we should not be tested."))
+
+(def-test circular ()
+  (signals circular-dependency
+    (run 'circular-0))
+  (signals circular-dependency
+    (run 'circular-1))
+  (signals circular-dependency
+    (run 'circular-2)))
+
+
+(defun stack-exhaust ()
+  (declare (optimize (debug 3) (speed 0) (space 0) (safety 3)))
+  (cons 42 (stack-exhaust)))
+
+;; Disable until we determine on which implementations it's actually safe
+;; to exhaust the stack.
+#|
+(def-test stack-exhaust (:suite test-suite)
+  (stack-exhaust))
+
+(def-test test-stack-exhaust ()
+  (with-test-results (results stack-exhaust)
+    (is (= 1 (length results)))
+    (is (test-failure-p (first results)))))
+|#
+
+(def-suite before-test-suite :description "Suite for before test")
+
+(def-test before-0 (:suite before-test-suite)
+  (fail))
+
+(def-test before-1 (:depends-on (:before before-0)
+                    :suite before-test-suite)
+  (pass))
+
+(def-suite before-test-suite-2 :description "Suite for before test")
+
+(def-test before-2 (:depends-on (:before before-3)
+                    :suite before-test-suite-2)
+  (pass))
+
+(def-test before-3 (:suite before-test-suite-2)
+  (pass))
+
+(def-test before ()
+  (with-test-results (results before-test-suite)
+    (is (some #'test-skipped-p results)))
+  
+  (with-test-results (results before-test-suite-2)
+    (is (every #'test-passed-p results))))
+
+
+;;;; dependencies with symbol
+(def-test dep-with-symbol-first (:suite test-suite)
+  (pass))
+
+(def-test dep-with-symbol-dependencies-not-met (:depends-on (not dep-with-symbol-first)
+                                                :suite test-suite)
+  (fail "Error in the test of the test, this should not ever happen"))
+
+(def-test dep-with-symbol-depends-on-ok (:depends-on dep-with-symbol-first :suite test-suite)
+  (pass))
+
+(def-test dep-with-symbol-depends-on-failed-dependency (:depends-on dep-with-symbol-dependencies-not-met
+                                                        :suite test-suite)
+  (fail "No, I should not be tested because I depend on a test that in its turn has a failed dependecy."))
+
+(def-test dependencies-with-symbol ()
+  (with-test-results (results dep-with-symbol-first)
+    (is (some #'test-passed-p results)))
+
+  (with-test-results (results dep-with-symbol-depends-on-ok)
+    (is (some #'test-passed-p results)))
+
+  (with-test-results (results dep-with-symbol-dependencies-not-met)
+    (is (some #'test-skipped-p results)))
+
+  ;; No failure here, because it means the test was run.
+  (with-test-results (results dep-with-symbol-depends-on-failed-dependency)
+    (is (not (some #'test-failure-p results)))))
+
+
+;;;; test for-all
+
+(def-test gen-integer ()
+  (for-all ((a (gen-integer)))
+    (is (integerp a))))
+
+(def-test for-all-guarded ()
+  (for-all ((less (gen-integer))
+            (more (gen-integer) (< less more)))
+    (is (< less more))))
+
+(def-test gen-float ()
+  (macrolet ((test-gen-float (type)
+               `(for-all ((unbounded (gen-float :type ',type))
+                          (bounded   (gen-float :type ',type :bound 42)))
+                  (is (typep unbounded ',type))
+                  (is (typep bounded ',type))
+                  (is (<= (abs bounded) 42)))))
+    (test-gen-float single-float)
+    (test-gen-float short-float)
+    (test-gen-float double-float)
+    (test-gen-float long-float)))
+
+(def-test gen-character ()
+  (for-all ((c (gen-character)))
+    (is (characterp c)))
+  (for-all ((c (gen-character :code (gen-integer :min 32 :max 40))))
+    (is (characterp c))
+    (member c (list #\Space #\! #\" #\# #\$ #\% #\& #\' #\())))
+
+(def-test gen-string ()
+  (for-all ((s (gen-string)))
+    (is (stringp s)))
+  (for-all ((s (gen-string :length (gen-integer :min 0 :max 2))))
+    (is (<= (length s) 2)))
+  (for-all ((s (gen-string :elements (gen-character :code (gen-integer :min 0 :max 0))
+                           :length (constantly 2))))
+    (is (= 2 (length s)))
+    (is (every (curry #'char= #\Null) s))))
+
+(defun dummy-mv-generator ()
+  (lambda ()
+    (list 1 1)))
+
+(def-test for-all-destructuring-bind ()
+  (for-all (((a b) (dummy-mv-generator)))
+    (is (= 1 a))
+    (is (= 1 b))))
+
+(def-test return-values ()
+  "Return values indicate test failures."
+  (is-true (with-*test-dribble* nil (explain! (run 'is1))))
+  (is-true (with-*test-dribble* nil (run! 'is1)))
+
+  (is-false (with-*test-dribble* nil (explain! (run 'is2))))
+  (is-false (with-*test-dribble* nil (run! 'is2))))