vim-patch:8.2.4809: various things no6 properly tested (#26017)

Problem:    Various things no6 properly tested.
Solution:   Add various test cases. (Yegappan Lakshmanan, closes vim/vim#10259)

885de449c0

Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>

test/functional/legacy/debugger_spec.lua

@@ -0,0 +1,85 @@
+local helpers = require('test.functional.helpers')(after_each)
+local Screen = require('test.functional.ui.screen')
+local clear = helpers.clear
+local command = helpers.command
+local feed = helpers.feed
+local write_file = helpers.write_file
+
+before_each(clear)
+
+describe('debugger', function()
+  local screen
+
+  before_each(function()
+    screen = Screen.new(999, 10)
+    screen:set_default_attr_ids({
+      [0] = {bold = true, foreground = Screen.colors.Blue};
+      [1] = {reverse = true, bold = true};
+    })
+    screen:attach()
+  end)
+
+  -- oldtest: Test_Debugger_breakadd_expr()
+  it(':breakadd expr', function()
+    write_file('XdebugBreakExpr.vim', 'let g:Xtest_var += 1')
+    finally(function()
+      os.remove('XdebugBreakExpr.vim')
+    end)
+
+    command('edit XdebugBreakExpr.vim')
+    command(':let g:Xtest_var = 10')
+    command(':breakadd expr g:Xtest_var')
+    feed(':source %<CR>')
+    screen:expect{grid=[[
+      ^let g:Xtest_var += 1{MATCH: *}|
+      {0:~{MATCH: *}}|
+      {0:~{MATCH: *}}|
+      {0:~{MATCH: *}}|
+      {0:~{MATCH: *}}|
+      {0:~{MATCH: *}}|
+      {0:~{MATCH: *}}|
+      {0:~{MATCH: *}}|
+      {0:~{MATCH: *}}|
+      :source %{MATCH: *}|
+    ]]}
+    feed(':source %<CR>')
+    screen:expect{grid=[[
+      let g:Xtest_var += 1{MATCH: *}|
+      {0:~{MATCH: *}}|
+      {1:{MATCH: *}}|
+      Breakpoint in "{MATCH:.*}XdebugBreakExpr.vim" line 1{MATCH: *}|
+      Entering Debug mode.  Type "cont" to continue.{MATCH: *}|
+      Oldval = "10"{MATCH: *}|
+      Newval = "11"{MATCH: *}|
+      {MATCH:.*}XdebugBreakExpr.vim{MATCH: *}|
+      line 1: let g:Xtest_var += 1{MATCH: *}|
+      >^{MATCH: *}|
+    ]]}
+    feed('cont<CR>')
+    screen:expect{grid=[[
+      ^let g:Xtest_var += 1{MATCH: *}|
+      {0:~{MATCH: *}}|
+      {0:~{MATCH: *}}|
+      {0:~{MATCH: *}}|
+      {0:~{MATCH: *}}|
+      {0:~{MATCH: *}}|
+      {0:~{MATCH: *}}|
+      {0:~{MATCH: *}}|
+      {0:~{MATCH: *}}|
+      {MATCH: *}|
+    ]]}
+    feed(':source %<CR>')
+    screen:expect{grid=[[
+      let g:Xtest_var += 1{MATCH: *}|
+      {0:~{MATCH: *}}|
+      {1:{MATCH: *}}|
+      Breakpoint in "{MATCH:.*}XdebugBreakExpr.vim" line 1{MATCH: *}|
+      Entering Debug mode.  Type "cont" to continue.{MATCH: *}|
+      Oldval = "11"{MATCH: *}|
+      Newval = "12"{MATCH: *}|
+      {MATCH:.*}XdebugBreakExpr.vim{MATCH: *}|
+      line 1: let g:Xtest_var += 1{MATCH: *}|
+      >^{MATCH: *}|
+    ]]}
+  end)
+end)

test/old/testdir/test_blob.vim

@@ -119,6 +119,8 @@ func Test_blob_assign()
       LET b[1 : 1] ..= 0z55
   END
   call CheckLegacyAndVim9Failure(lines, ['E734:', 'E1183:', 'E734:'])
+
+  call assert_fails('let b = readblob("a1b2c3")', 'E484:')
 endfunc
 
 func Test_blob_get_range()
@@ -211,6 +213,8 @@ func Test_blob_compare()
       call assert_true(b1 == b2)
       call assert_false(b1 is b2)
       call assert_true(b1 isnot b2)
+      call assert_true(0z != 0z10)
+      call assert_true(0z10 != 0z)
   END
   call CheckLegacyAndVim9Success(lines)
 
@@ -267,7 +271,8 @@ func Test_blob_index_assign()
       VAR b = 0z00
       LET b[1] = 0x11
       LET b[2] = 0x22
-      call assert_equal(0z001122, b)
+      LET b[0] = 0x33
+      call assert_equal(0z331122, b)
   END
   call CheckLegacyAndVim9Success(lines)
 
@@ -282,6 +287,18 @@ func Test_blob_index_assign()
       LET b[-2] = 0x33
   END
   call CheckLegacyAndVim9Failure(lines, 'E979:')
+
+  let lines =<< trim END
+      VAR b = 0z00010203
+      LET b[0 : -1] = 0z33
+  END
+  call CheckLegacyAndVim9Failure(lines, 'E979:')
+
+  let lines =<< trim END
+      VAR b = 0z00010203
+      LET b[3 : 4] = 0z3344
+  END
+  call CheckLegacyAndVim9Failure(lines, 'E979:')
 endfunc
 
 func Test_blob_for_loop()
@@ -427,6 +444,12 @@ func Test_blob_func_remove()
   END
   call CheckLegacyAndVim9Failure(lines, 'E979:')
 
+  let lines =<< trim END
+      VAR b = 0zDEADBEEF
+      call remove(b, -10)
+  END
+  call CheckLegacyAndVim9Failure(lines, 'E979:')
+
   let lines =<< trim END
       VAR b = 0zDEADBEEF
       call remove(b, 3, 2)