org-search-view: Fix searching across inlinetasks

* lisp/org-agenda.el (org-search-view): Consider that
`outline-next-heading' may move to inlinetask.

* testing/examples/agenda-search.org: New test file.

* testing/lisp/test-org-agenda.el (test-org-agenda/org-search-view):
New test.

Reported-by: Alain.Cochard@unistra.fr
Link: https://orgmode.org/list/25514.763.379510.806150@gargle.gargle.HOWL

lisp/org-agenda.el

@@ -4678,7 +4678,7 @@ is active."
 	 (org-agenda-text-search-extra-files org-agenda-text-search-extra-files)
 	 regexp rtn rtnall files file pos inherited-tags
 	 marker category level tags c neg re boolean
-	 ee txt beg end words regexps+ regexps- hdl-only buffer beg1 str)
+	 ee txt beg end last-search-end words regexps+ regexps- hdl-only buffer beg1 str)
     (unless (and (not edit-at)
 		 (stringp string)
 		 (string-match "\\S-" string))
@@ -4817,6 +4817,7 @@ is active."
 		      (throw 'nextfile t))
 		    (goto-char (max (point-min) (1- (point))))
 		    (while (re-search-forward regexp nil t)
+                      (setq last-search-end (point))
 		      (org-back-to-heading t)
 		      (while (and (not (zerop org-agenda-search-view-max-outline-level))
 				  (> (org-reduced-level (org-outline-level))
@@ -4878,7 +4879,7 @@ is active."
 			  'priority 1000
 			  'type "search")
 			(push txt ee)
-			(goto-char (1- end))))))))))
+			(goto-char (max (1- end) last-search-end))))))))))
 	(setq rtn (nreverse ee))
 	(setq rtnall (append rtnall rtn)))
       (org-agenda--insert-overriding-header

testing/examples/agenda-search.org

@@ -0,0 +1,8 @@
+* Test heading with text
+foo
+* Test heading with inlinetask
+foo
+****************** inline
+text inside inlinetask
+****************** END
+bar

testing/lisp/test-org-agenda.el

@@ -115,6 +115,31 @@ See https://list.orgmode.org/20220101200103.GB29829@itccanarias.org/T/#t."
     (should (= 2 (count-lines (point-min) (point-max)))))
   (org-test-agenda--kill-all-agendas))
 
+(ert-deftest test-org-agenda/org-search-view ()
+  "Test `org-search-view' specifications."
+  (cl-assert (not org-agenda-sticky) nil "precondition violation")
+  (cl-assert (not (org-test-agenda--agenda-buffers))
+	     nil "precondition violation")
+  ;; Search a string.
+  (let ((org-agenda-files `(,(expand-file-name "examples/agenda-search.org"
+					       org-test-dir))))
+    (org-search-view nil "foo")
+    (set-buffer org-agenda-buffer-name)
+    (should (= 4 (count-lines (point-min) (point-max)))))
+  ;; Search past inlinetask.
+  (let ((org-agenda-files `(,(expand-file-name "examples/agenda-search.org"
+					       org-test-dir))))
+    (org-search-view nil "bar")
+    (set-buffer org-agenda-buffer-name)
+    (should (= 3 (count-lines (point-min) (point-max)))))
+  ;; Search inside inlinetask.
+  (let ((org-agenda-files `(,(expand-file-name "examples/agenda-search.org"
+					       org-test-dir))))
+    (org-search-view nil "text inside inlinetask")
+    (set-buffer org-agenda-buffer-name)
+    (should (= 3 (count-lines (point-min) (point-max)))))
+  (org-test-agenda--kill-all-agendas))
+
 (ert-deftest test-org-agenda/property-timestamp ()
   "Match timestamps inside property drawer.
 See https://list.orgmode.org/06d301d83d9e$f8b44340$ea1cc9c0$@tomdavey.com"