more test fixes

stdlib/REPL/src/REPLCompletions.jl

@@ -363,6 +363,31 @@ function complete_path(path::AbstractString;
     return matches, dir, !isempty(matches)
 end
 
+function complete_path(path::AbstractString,
+                       pos::Int;
+                       use_envpath=false,
+                       shell_escape=false,
+                       string_escape=false)
+    Base.depwarn("complete_path with pos argument is deprecated because the return value [2] is incorrect to use", :complete_path)
+    paths, dir, success = complete_path(path; use_envpath, shell_escape, string_escape)
+    if success
+        if Base.Sys.isunix() && occursin(r"^~(?:/|$)", path)
+            # if the path is just "~", don't consider the expanded username as a prefix
+            if path == "~"
+                dir, prefix = homedir(), ""
+            else
+                dir, prefix = splitdir(homedir() * path[2:end])
+            end
+        else
+            dir, prefix = splitdir(path)
+        end
+        startpos = pos - lastindex(prefix) + 1
+    else
+        startpos = pos + 1
+    end
+    return paths, startpos:pos, success
+end
+
 function complete_expanduser(path::AbstractString, r)
     expanded =
         try expanduser(path)

stdlib/REPL/test/replcompletions.jl

@@ -1194,7 +1194,7 @@ let current_dir, forbidden
             catch e
                 e isa Base.IOError && occursin("ELOOP", e.msg)
             end
-            c, r = test_complete("\""*escape_string(joinpath(path, "selfsym")))
+            c, r = test_complete("\"$(escape_string(path))/selfsym")
             @test c == ["selfsymlink"]
         end
     end
@@ -1244,7 +1244,7 @@ mktempdir() do path
 
         # For normal strings the string should be properly escaped according to
         # the usual rules for Julia strings.
-        s = "cd(\"" * julia_esc(joinpath(path, space_folder, "space"))
+        s = "cd(\"" * julia_esc(joinpath(path, space_folder) * "/space")
         c, r = test_complete(s)
         @test s[r] == "space"
         @test "space .file\"" in c
@@ -1253,7 +1253,7 @@ mktempdir() do path
         # which needs to be escaped in Julia strings (on unix we could do this
         # test with all sorts of special chars)
         touch(joinpath(space_folder, "needs_escape\$.file"))
-        escpath = julia_esc(joinpath(path, space_folder, "needs_escape\$"))
+        escpath = julia_esc(joinpath(path, space_folder) * "/needs_escape\$")
         s = "cd(\"$escpath"
         c, r = test_complete(s)
         @test s[r] == "needs_escape\\\$"
@@ -1290,7 +1290,7 @@ mktempdir() do path
                     # in shell commands the shell path completion cannot complete
                     # paths with these characters
                     c, r, res = test_scomplete(test_dir)
-                    @test c[1] == '\''*test_dir*(Sys.iswindows() ? "\\\\" : "/")*'\''
+                    @test c[1] == '\''*test_dir*(Sys.iswindows() ? "\\" : "/")*'\''
                     @test res
                 end
                 escdir = julia_esc(test_dir)
@@ -1331,8 +1331,13 @@ if Sys.iswindows()
     cd(path) do
         s = "cd ..\\\\"
         c,r = test_scomplete(s)
+        @test r == lastindex(s)-3:lastindex(s)
+        @test "../'$temp_name\\'" in c
+
+        s = "cd ../"
+        c,r = test_scomplete(s)
         @test r == lastindex(s)+1:lastindex(s)
-        @test temp_name * "\\\\" in c
+        @test "'$temp_name\\'" in c
 
         s = "ls $(file[1:2])"
         c,r = test_scomplete(s)
@@ -1342,7 +1347,12 @@ if Sys.iswindows()
         s = "cd(\"..\\\\"
         c,r = test_complete(s)
         @test r == lastindex(s)+1:lastindex(s)
-        @test temp_name * "\\\\" in c
+        @test "../$temp_name\\\\" in c
+
+        s = "cd(\"../"
+        c,r = test_complete(s)
+        @test r == lastindex(s)-3:lastindex(s)
+        @test "$temp_name\\\\" in c
 
         s = "cd(\"$(file[1:2])"
         c,r = test_complete(s)