patch 7.4.2265

Problem:    printf() isn't tested much.
Solution:   Add more tests for printf(). (Dominique Pelle)

Author: brammool

src/testdir/test_expr.vim

@@ -130,6 +130,99 @@ func Test_option_value()
   set cpo&vim
 endfunc
 
+function Test_printf_misc()
+  call assert_equal('123', printf('%d', 123))
+  call assert_equal('123', printf('%i', 123))
+  call assert_equal('123', printf('%D', 123))
+  call assert_equal('123', printf('%U', 123))
+  call assert_equal('173', printf('%o', 123))
+  call assert_equal('173', printf('%O', 123))
+  call assert_equal('7b', printf('%x', 123))
+  call assert_equal('7B', printf('%X', 123))
+  if has('ebcdic')
+    call assert_equal('#', printf('%c', 123))
+  else
+    call assert_equal('{', printf('%c', 123))
+  endif
+  call assert_equal('abc', printf('%s', 'abc'))
+  call assert_equal('abc', printf('%S', 'abc'))
+
+  call assert_equal('+123', printf('%+d', 123))
+  call assert_equal('-123', printf('%+d', -123))
+  call assert_equal('+123', printf('%+ d', 123))
+  call assert_equal(' 123', printf('% d', 123))
+  call assert_equal(' 123', printf('%  d', 123))
+  call assert_equal('-123', printf('% d', -123))
+
+  call assert_equal('00123', printf('%.*d', 5, 123))
+  call assert_equal('  123', printf('% *d', 5, 123))
+  call assert_equal(' +123', printf('%+ *d', 5, 123))
+
+  call assert_equal('123', printf('%2d', 123))
+  call assert_equal('  123', printf('%5d', 123))
+  call assert_equal('00123', printf('%05d', 123))
+  call assert_equal('123  ', printf('%-5d', 123))
+  call assert_equal('0x7b', printf('%#x', 123))
+  call assert_equal('0X7B', printf('%#X', 123))
+  call assert_equal('0173', printf('%#o', 123))
+  call assert_equal('0173', printf('%#O', 123))
+  call assert_equal('abc', printf('%#s', 'abc'))
+  call assert_equal('abc', printf('%#S', 'abc'))
+
+  call assert_equal(' 00123', printf('%6.5d', 123))
+  call assert_equal(' 0007b', printf('%6.5x', 123))
+
+  call assert_equal('abc', printf('%2s', 'abc'))
+  call assert_equal('abc', printf('%2S', 'abc'))
+  call assert_equal('abc', printf('%.4s', 'abc'))
+  call assert_equal('abc', printf('%.4S', 'abc'))
+  call assert_equal('ab', printf('%.2s', 'abc'))
+  call assert_equal('ab', printf('%.2S', 'abc'))
+  call assert_equal('', printf('%.0s', 'abc'))
+  call assert_equal('', printf('%.s', 'abc'))
+  call assert_equal(' abc', printf('%4s', 'abc'))
+  call assert_equal(' abc', printf('%4S', 'abc'))
+  call assert_equal('0abc', printf('%04s', 'abc'))
+  call assert_equal('0abc', printf('%04S', 'abc'))
+  call assert_equal('abc ', printf('%-4s', 'abc'))
+  call assert_equal('abc ', printf('%-4S', 'abc'))
+
+  call assert_equal('1%', printf('%d%%', 1))
+endfunc
+
+function Test_printf_float()
+  if has('float')
+    call assert_equal('1.230000', printf('%f', 1.23))
+    call assert_equal('1.230000', printf('%F', 1.23))
+    call assert_equal('1.23', printf('%g', 1.23))
+    call assert_equal('1.23', printf('%G', 1.23))
+    call assert_equal('1.230000e+00', printf('%e', 1.23))
+    call assert_equal('1.230000E+00', printf('%E', 1.23))
+    call assert_equal('1.200000e-02', printf('%e', 0.012))
+    call assert_equal('-1.200000e-02', printf('%e', -0.012))
+    call assert_equal('1.2', printf('%.1f', 1.23))
+
+    call assert_equal('inf', printf('%f', 1.0/0.0))
+
+    " This prints inf but shouldn't it print -inf instead?
+    call assert_match('^-\?inf$', printf('%f', -1.0/0.0))
+
+    " This prints -nan but shouldn't it print nan instead?
+    call assert_match('^-\?nan$', printf('%f', sqrt(-1.0)))
+    call assert_match('^-\?nan$', printf('%f', 0.0/0.0))
+
+    call assert_fails('echo printf("%f", "a")', 'E807:')
+  endif
+endfunc
+
+function Test_printf_errors()
+  call assert_fails('echo printf("%d", {})', 'E728:')
+  call assert_fails('echo printf("%d", [])', 'E745:')
+  call assert_fails('echo printf("%d", 1, 2)', 'E767:')
+  call assert_fails('echo printf("%*d", 1)', 'E766:')
+  call assert_fails('echo printf("%d", 1.2)', 'E805:')
+endfunc
+
 function Test_printf_64bit()
   if has('num64')
     call assert_equal("123456789012345", printf('%d', 123456789012345))

src/version.c

@@ -763,6 +763,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2265,
 /**/
     2264,
 /**/