Mercurial > vim
diff src/testdir/test_expr.vim @ 10015:5ac2dd61ca8f v7.4.2280
commit https://github.com/vim/vim/commit/e999782e369999539a1783a7ebe4eadcc6da28a8
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Aug 28 16:03:38 2016 +0200
patch 7.4.2280
Problem: printf() doesn't handle infinity float values correctly.
Solution: Add a table with possible infinity values. (Dominique Pelle)
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Sun, 28 Aug 2016 16:15:04 +0200 |
parents | 9bef7b5d02cb |
children | 7cf4e210cf3c |
line wrap: on
line diff
--- a/src/testdir/test_expr.vim +++ b/src/testdir/test_expr.vim @@ -154,13 +154,22 @@ function Test_printf_misc() call assert_equal(' 123', printf('% d', 123)) call assert_equal('-123', printf('% d', -123)) + call assert_equal('123', printf('%2d', 123)) + call assert_equal(' 123', printf('%6d', 123)) + call assert_equal('000123', printf('%06d', 123)) + call assert_equal('+00123', printf('%+06d', 123)) + call assert_equal(' 00123', printf('% 06d', 123)) + call assert_equal(' +123', printf('%+6d', 123)) + call assert_equal(' 123', printf('% 6d', 123)) + call assert_equal(' -123', printf('% 6d', -123)) + call assert_equal('+123 ', printf('%-+6d', 123)) + call assert_equal(' 123 ', printf('%- 6d', 123)) + call assert_equal('-123 ', printf('%- 6d', -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)) @@ -194,20 +203,81 @@ 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('9999999.9', printf('%g', 9999999.9)) + call assert_equal('9999999.9', printf('%G', 9999999.9)) + call assert_equal('1.00000001e7', printf('%.8g', 10000000.1)) + call assert_equal('1.00000001E7', printf('%.8G', 10000000.1)) 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)) + call assert_equal('0.33', printf('%.2f', 1.0/3.0)) + call assert_equal(' 0.33', printf('%6.2f', 1.0/3.0)) + call assert_equal(' -0.33', printf('%6.2f', -1.0/3.0)) + call assert_equal('000.33', printf('%06.2f', 1.0/3.0)) + " FIXME: call assert_equal('-00.33', printf('%06.2f', -1.0/3.0)) + " FIXME: call assert_equal('-00.33', printf('%+06.2f', -1.0/3.0)) + " FIXME: call assert_equal('+00.33', printf('%+06.2f', 1.0/3.0)) + " FIXME: call assert_equal(' 00.33', printf('% 06.2f', 1.0/3.0)) - call assert_match('^-inf$', printf('%f', -1.0/0.0)) + " Float infinity can be signed. + call assert_equal('inf', printf('%f', 1.0/0.0)) + call assert_equal('-inf', printf('%f', -1.0/0.0)) + call assert_equal('inf', printf('%g', 1.0/0.0)) + call assert_equal('-inf', printf('%g', -1.0/0.0)) + call assert_equal('inf', printf('%e', 1.0/0.0)) + call assert_equal('-inf', printf('%e', -1.0/0.0)) + call assert_equal('INF', printf('%E', 1.0/0.0)) + call assert_equal('-INF', printf('%E', -1.0/0.0)) + call assert_equal('INF', printf('%E', 1.0/0.0)) + call assert_equal('-INF', printf('%G', -1.0/0.0)) + call assert_equal('+inf', printf('%+f', 1.0/0.0)) + call assert_equal('-inf', printf('%+f', -1.0/0.0)) + call assert_equal(' inf', printf('% f', 1.0/0.0)) + call assert_equal(' inf', printf('%6f', 1.0/0.0)) + call assert_equal(' -inf', printf('%6f', -1.0/0.0)) + call assert_equal(' inf', printf('%6g', 1.0/0.0)) + call assert_equal(' -inf', printf('%6g', -1.0/0.0)) + call assert_equal(' +inf', printf('%+6f', 1.0/0.0)) + call assert_equal(' inf', printf('% 6f', 1.0/0.0)) + call assert_equal(' +inf', printf('%+06f', 1.0/0.0)) + call assert_equal('inf ', printf('%-6f', 1.0/0.0)) + call assert_equal('-inf ', printf('%-6f', -1.0/0.0)) + call assert_equal('+inf ', printf('%-+6f', 1.0/0.0)) + call assert_equal(' inf ', printf('%- 6f', 1.0/0.0)) + call assert_equal('INF ', printf('%-6G', 1.0/0.0)) + call assert_equal('-INF ', printf('%-6G', -1.0/0.0)) + call assert_equal('INF ', printf('%-6E', 1.0/0.0)) + call assert_equal('-INF ', printf('%-6E', -1.0/0.0)) + call assert_equal('inf', printf('%s', 1.0/0.0)) + call assert_equal('-inf', printf('%s', -1.0/0.0)) - call assert_match('^nan$', printf('%f', sqrt(-1.0))) - call assert_match('^nan$', printf('%f', 0.0/0.0)) + " Float zero can be signed. + call assert_equal('0.000000', printf('%f', 1.0/(1.0/0.0))) + call assert_equal('-0.000000', printf('%f', 1.0/(-1.0/0.0))) + call assert_equal('0.0', printf('%s', 1.0/(1.0/0.0))) + call assert_equal('-0.0', printf('%s', 1.0/(-1.0/0.0))) + call assert_equal('0.0', printf('%S', 1.0/(1.0/0.0))) + call assert_equal('-0.0', printf('%S', 1.0/(-1.0/0.0))) + + " 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)) + call assert_equal('nan', printf('%f', -0.0/0.0)) + call assert_equal('nan', printf('%g', 0.0/0.0)) + call assert_equal('nan', printf('%e', 0.0/0.0)) + call assert_equal('NAN', printf('%G', 0.0/0.0)) + call assert_equal('NAN', printf('%E', 0.0/0.0)) + call assert_equal('NAN', printf('%G', -0.0/0.0)) + call assert_equal('NAN', printf('%E', -0.0/0.0)) + call assert_equal(' nan', printf('%6f', 0.0/0.0)) + call assert_equal(' nan', printf('%06f', 0.0/0.0)) + call assert_equal('nan ', printf('%-6f', 0.0/0.0)) + call assert_equal('nan ', printf('%- 6f', 0.0/0.0)) + call assert_equal('nan', printf('%s', 0.0/0.0)) + call assert_equal('nan', printf('%s', -0.0/0.0)) + call assert_equal('nan', printf('%S', 0.0/0.0)) + call assert_equal('nan', printf('%S', -0.0/0.0)) call assert_fails('echo printf("%f", "a")', 'E807:') endif