0.7.10.22:

[sbcl.git] / tests / loop.pure.lisp

diff --git a/tests/loop.pure.lisp b/tests/loop.pure.lisp
index 307129b..278fa4c 100644 (file)
--- a/tests/loop.pure.lisp
+++ b/tests/loop.pure.lisp
@@ -110,3 +110,64 @@
              (loop named foo do (loop-finish) finally (return :good))
              :bad)
            :good))
+
+(assert (= (loop with (a nil) = '(1 2) return a) 1))
+(assert (= (loop with (nil a) = '(1 2) return a) 2))
+(assert (= (loop with (a . nil) = '(1 2) return a) 1))
+(assert (equal (loop with (nil . a) = '(1 2) return a) '(2)))
+
+(multiple-value-bind (result error)
+    (ignore-errors
+      (loop for i in '(1 2 3) collect i always (< i 4)))
+  (assert (null result))
+  (assert (typep error 'program-error)))
+(assert (equal
+        (loop for i in '(1 2 3) collect i into foo always (< i 4)
+              finally (return foo))
+        '(1 2 3)))
+(assert (equal
+        (loop for i in '(1 2 3) collect i into foo always (= i 4)
+              finally (return foo))
+        nil))
+(multiple-value-bind (result error)
+    (ignore-errors
+      (loop for i in '(1 2 3) always (< i 4) collect i))
+  (assert (null result))
+  (assert (typep error 'program-error)))
+(assert (equal
+        (loop for i in '(1 2 3) always (< i 4) collect i into foo
+              finally (return foo))
+        '(1 2 3)))
+(assert (equal
+        (loop for i in '(1 2 3) always (= i 4) collect i into foo
+              finally (return foo))
+        nil))
+(multiple-value-bind (result error)
+    (ignore-errors
+      (loop for i in '(1 2 3) thereis (= i 3) collect i))
+  (assert (null result))
+  (assert (typep error 'program-error)))
+
+(multiple-value-bind (result error)
+    (ignore-errors
+      (loop with i = 1 for x from 1 to 3 collect x into i))
+  (assert (null result))
+  (assert (typep error 'program-error)))
+(multiple-value-bind (result error)
+    ;; this one has a plausible interpretation in terms of LET*, but
+    ;; ANSI seems specifically to disallow it
+    (ignore-errors
+      (loop with i = 1 with i = (1+ i)
+           for x from 1 to 3
+           collect (+ x i)))
+  (assert (null result))
+  (assert (typep error 'program-error)))
+
+(let ((it 'z))
+  (assert (equal
+          ;; this one just seems weird.  Nevertheless...
+          (loop for i in '(a b c d)
+                when i
+                  collect it
+                  and collect it)
+          '(a z b z c z d z))))