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forked from aniani/vim

patch 8.1.0596: not all parts of printf() are tested

Problem:    Not all parts of printf() are tested.
Solution:   Add a few more test cases. (Dominique Pelle, closes #3691)
This commit is contained in:
Bram Moolenaar
2018-12-15 16:08:56 +01:00
parent a9659e0da4
commit 21e551cce2
2 changed files with 33 additions and 0 deletions

View File

@@ -142,6 +142,22 @@ function Test_printf_misc()
call assert_equal('173', printf('%O', 123))
call assert_equal('7b', printf('%x', 123))
call assert_equal('7B', printf('%X', 123))
call assert_equal('123', printf('%hd', 123))
call assert_equal('-123', printf('%hd', -123))
call assert_equal('-1', printf('%hd', 0xFFFF))
call assert_equal('-1', printf('%hd', 0x1FFFFF))
call assert_equal('123', printf('%hu', 123))
call assert_equal('65413', printf('%hu', -123))
call assert_equal('65535', printf('%hu', 0xFFFF))
call assert_equal('65535', printf('%hu', 0x1FFFFF))
call assert_equal('123', printf('%ld', 123))
call assert_equal('-123', printf('%ld', -123))
call assert_equal('65535', printf('%ld', 0xFFFF))
call assert_equal('131071', printf('%ld', 0x1FFFF))
if has('ebcdic')
call assert_equal('#', printf('%c', 123))
else
@@ -185,6 +201,11 @@ function Test_printf_misc()
call assert_equal(' 123', printf('% *d', 5, 123))
call assert_equal(' +123', printf('%+ *d', 5, 123))
call assert_equal('foobar', printf('%.*s', 9, 'foobar'))
call assert_equal('foo', printf('%.*s', 3, 'foobar'))
call assert_equal('', printf('%.*s', 0, 'foobar'))
call assert_equal('foobar', printf('%.*s', -1, 'foobar'))
" Simple quote (thousand grouping char) is ignored.
call assert_equal('+00123456', printf("%+'09d", 123456))
@@ -207,6 +228,11 @@ function Test_printf_misc()
call assert_equal(' 00123', printf('%6.5d', 123))
call assert_equal(' 0007b', printf('%6.5x', 123))
call assert_equal('123', printf('%.2d', 123))
call assert_equal('0123', printf('%.4d', 123))
call assert_equal('0000000123', printf('%.10d', 123))
call assert_equal('123', printf('%.0d', 123))
call assert_equal('abc', printf('%2s', 'abc'))
call assert_equal('abc', printf('%2S', 'abc'))
call assert_equal('abc', printf('%.4s', 'abc'))
@@ -305,6 +331,11 @@ function Test_printf_float()
call assert_equal('inf', printf('%s', 1.0/0.0))
call assert_equal('-inf', printf('%s', -1.0/0.0))
" Test special case where max precision is truncated at 340.
call assert_equal('1.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', printf('%.330f', 1.0))
call assert_equal('1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', printf('%.340f', 1.0))
call assert_equal('1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', printf('%.350f', 1.0))
" Float nan (not a number) has no sign.
call assert_equal('nan', printf('%f', sqrt(-1.0)))
call assert_equal('nan', printf('%f', 0.0/0.0))