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patch 7.4.1847

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Problem:    Getting an item from a NULL dict crashes.  Setting a register to a
            NULL list crashes. (Nikolai Pavlov, issue #768)  Comparing a NULL
            dict with a NULL dict fails.
Solution:   Properly check for NULL.
This commit is contained in:
Bram Moolenaar
2016-05-25 22:51:17 +02:00
parent 54c10ccf92
commit 13ddc5c359
3 changed files with 23 additions and 2 deletions
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11
src/testdir/test_expr.vim
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@@ -90,3 +90,14 @@ func Test_loop_over_null_list()
call assert_true(0, 'should not get here')
endfor
endfunc
func Test_compare_null_dict()
call assert_fails('let x = test_null_dict()[10]')
call assert_equal({}, {})
call assert_equal(test_null_dict(), test_null_dict())
call assert_notequal({}, test_null_dict())
endfunc
func Test_set_reg_null_list()
call setreg('x', test_null_list())
endfunc