commit 21e551cce26ea6ff389b6c90f1945facf1a8a066
author Bram Moolenaar <Bram@vim.org> Sat Dec 15 16:08:56 2018 +0100
committer Bram Moolenaar <Bram@vim.org> Sat Dec 15 16:08:56 2018 +0100
tree 80588221ad797d6d72ef2dfe9826dcee8d0fcd52
parent a9659e0da41388f2c7aedccf016c2fe2eeec6a82

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)

src/testdir/test_expr.vim

diff --git a/src/testdir/test_expr.vim b/src/testdir/test_expr.vim
index c14b6e6..216a00f 100644
--- a/src/testdir/test_expr.vim
+++ b/src/testdir/test_expr.vim
@@ -142,6 +142,22 @@
   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 @@
   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 @@
   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 @@
     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))