diff --git a/test/src/data-tests.el b/test/src/data-tests.el
index fa2b4d7c4e6..7c0796c5d2a 100644
--- a/test/src/data-tests.el
+++ b/test/src/data-tests.el
@@ -815,6 +815,13 @@ comparing the subr with a much slower Lisp implementation."
     (should (= (lognot n) (- -1 n)))
     (should (= (lognot m) (- -1 m)))))
 
+(ert-deftest data-tests-bignum-bit-identities ()
+  (let ((n (1+ most-positive-fixnum)))
+    (should (bignump n))
+    (should (= (logand n (lognot n)) 0))
+    (should (= (logior n (lognot n)) -1))
+    (should (= (logxor n n) 0))))
+
 (ert-deftest data-tests-logior ()
   (should (= -1 (logior -1) (logior -1 -1)))
   (should (= -1 (logior most-positive-fixnum most-negative-fixnum))))
diff --git a/test/src/editfns-tests.el b/test/src/editfns-tests.el
index bbe7199bdcd..0f5e0adc419 100644
--- a/test/src/editfns-tests.el
+++ b/test/src/editfns-tests.el
@@ -1058,6 +1058,33 @@ sufficiently large to avoid truncation."
     (goto-char (point-max))
     (should (= (following-char) 0))))
 
+(ert-deftest editfns-tests--buffer-substring-properties ()
+  (with-temp-buffer
+    (insert "abc")
+    (add-text-properties (point-min) (point-max) '(foo bar))
+    (let ((with-props (buffer-substring (point-min) (point-max)))
+          (without-props (buffer-substring-no-properties
+                          (point-min) (point-max))))
+      (should (equal with-props "abc"))
+      (should (equal without-props "abc"))
+      (should (eq (get-text-property 0 'foo with-props) 'bar))
+      (should-not (get-text-property 0 'foo without-props)))))
+
+(ert-deftest editfns-tests--insert-and-inherit ()
+  (with-temp-buffer
+    (insert "a")
+    (add-text-properties 1 2 '(foo bar))
+    (goto-char (point-max))
+    (insert "b")
+    (should-not (get-text-property 2 'foo))
+    (erase-buffer))
+  (with-temp-buffer
+    (insert "a")
+    (add-text-properties 1 2 '(foo bar))
+    (goto-char (point-max))
+    (insert-and-inherit "b")
+    (should (eq (get-text-property 2 'foo) 'bar))))
+
 (ert-deftest editfns-tests--line-beginning-end-position ()
   (with-temp-buffer
     (insert "aa\nbb\ncc")
diff --git a/test/src/eval-tests.el b/test/src/eval-tests.el
index 1e7c33069a7..686508a6a8d 100644
--- a/test/src/eval-tests.el
+++ b/test/src/eval-tests.el
@@ -374,6 +374,22 @@ expressions works for identifiers starting with period."
             (error err))))
     (should (eq inner-error outer-error))))
 
+(ert-deftest eval-tests--condition-case-basic ()
+  (should (equal (condition-case err
+                     42
+                   (error (list 'err err)))
+                 42))
+  (should (equal (condition-case err
+                     (signal 'wrong-type-argument '(integerp "x"))
+                   (wrong-type-argument (list 'wt err))
+                   (error (list 'err err)))
+                 '(wt (wrong-type-argument integerp "x"))))
+  (should (equal (condition-case err
+                     (signal 'error '("boom"))
+                   (wrong-type-argument (list 'wt err))
+                   (error (list 'err err)))
+                 '(err (error "boom")))))
+
 (ert-deftest eval-bad-specbind ()
   (should-error (eval '(let (((a b) 23)) (+ 1 2)) t)
                 :type 'wrong-type-argument)
diff --git a/test/src/marker-tests.el b/test/src/marker-tests.el
index 19ecca2d0af..4311a82693b 100644
--- a/test/src/marker-tests.el
+++ b/test/src/marker-tests.el
@@ -124,4 +124,22 @@
       (should (= (marker-position maxm) 3))
       (should (eq (marker-buffer minm) (current-buffer))))))
 
+(ert-deftest marker-tests--move-marker-between-buffers ()
+  (let ((buf-1 (generate-new-buffer " *marker-tests-1*"))
+        (buf-2 (generate-new-buffer " *marker-tests-2*")))
+    (unwind-protect
+        (let ((m (make-marker)))
+          (with-current-buffer buf-1
+            (insert "abc")
+            (set-marker m 2 (current-buffer)))
+          (should (eq (marker-buffer m) buf-1))
+          (should (= (marker-position m) 2))
+          (with-current-buffer buf-2
+            (insert "xyz")
+            (set-marker m 1 (current-buffer)))
+          (should (eq (marker-buffer m) buf-2))
+          (should (= (marker-position m) 1)))
+      (kill-buffer buf-1)
+      (kill-buffer buf-2))))
+
 ;;; marker-tests.el ends here