Add support for binary numbers

test/functional/legacy/035_increment_and_decrement_spec.lua

@@ -11,34 +11,40 @@ describe('increment and decrement commands', function()
   it('should work', function()
     -- Insert some numbers in various bases.
     insert([[
-      100     0x100     077     0
-      100     0x100     077
+      0b101   100     0x100     077     0
+      0b101   100     0x100     077
       100     0x100     077     0xfF     0xFf
-      100     0x100     077]])
+      100     0x100     077
+      0x0b101  0b1101]])
 
     -- Increment and decrement numbers in the first row, interpreting the
     -- numbers as decimal, octal or hexadecimal.
-    execute('set nrformats=octal,hex', '1')
-    feed('
102
ll
64
128$')
+    execute('set nrformats=bin,octal,hex', '1')
+    feed('
63
l
102
ll
64
128$')
 
     -- For the second row, treat the numbers as decimal or octal.
     -- 0x100 should be interpreted as decimal 0, the character x, and decimal 100.
     execute('set nrformats=octal', '2')
-    feed('0
102
l2
w65
129blx6lD')
+    feed('0
w
102
l2
w65
129blx6lD')
 
     -- For the third row, treat the numbers as decimal or hexadecimal.
     -- 077 should be interpreted as decimal 77.
     execute('set nrformats=hex', '3')
     feed('0101l257
Txldt 
  ')
 
-    -- For the last row, interpret all numbers as decimal.
+    -- For the fourth row, interpret all numbers as decimal.
     execute('set nrformats=', '4')
     feed('0200l100w78
')
 
+    -- For the last row, interpret as binary and hexadecimal.
+    execute('set nrformats=bin,hex', '5')
+    feed('010065
l64
32')
+
     expect([[
-      0     0x0ff     0000     -1
-      0     1x100     0777777
+      0b011   0     0x0ff     0000     -1
+      1b101   0     1x100     0777777
       -1     0x0     078     0xFE     0xfe
-      -100     -100x100     000]])
+      -100     -100x100     000
+      0x0b0de  0b0101101]])
   end)
 end)