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			41 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			41 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
| local helpers = require('test.unit.helpers')(after_each)
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| local eval_helpers = require('test.unit.eval.helpers')
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| 
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| local itp = helpers.gen_itp(it)
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| 
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| local cimport = helpers.cimport
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| local eq = helpers.eq
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| 
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| local eval0 = eval_helpers.eval0
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| 
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| local eval = cimport('./src/nvim/eval.h', './src/nvim/eval/typval.h',
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|                      './src/nvim/memory.h')
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| 
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| describe('NULL typval_T', function()
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|   itp('is produced by $XXX_UNEXISTENT_VAR_XXX', function()
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|     -- Required for various tests which need to check whether typval_T with NULL
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|     -- string works correctly. This test checks that unexistent environment
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|     -- variable produces NULL string, not that some specific environment
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|     -- variable does not exist. Last bit is left for the test writers.
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|     local unexistent_env = 'XXX_UNEXISTENT_VAR_XXX'
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|     while os.getenv(unexistent_env) ~= nil do
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|       unexistent_env = unexistent_env .. '_XXX'
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|     end
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|     local rettv = eval0('$' .. unexistent_env)
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|     eq(eval.VAR_STRING, rettv.v_type)
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|     eq(nil, rettv.vval.v_string)
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|   end)
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| 
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|   itp('is produced by v:_null_list', function()
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|     local rettv = eval0('v:_null_list')
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|     eq(eval.VAR_LIST, rettv.v_type)
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|     eq(nil, rettv.vval.v_list)
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|   end)
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| 
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|   itp('is produced by v:_null_dict', function()
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|     local rettv = eval0('v:_null_dict')
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|     eq(eval.VAR_DICT, rettv.v_type)
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|     eq(nil, rettv.vval.v_dict)
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|   end)
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| end)
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