patch 8.0.1158: still old style tests

Problem:    Still old style tests.
Solution:   Convert serveral tests to new style. (Yegappan Lakshmanan)
diff --git a/src/testdir/test_textobjects.vim b/src/testdir/test_textobjects.vim
index dca8f63..8b92ba1 100644
--- a/src/testdir/test_textobjects.vim
+++ b/src/testdir/test_textobjects.vim
@@ -52,3 +52,104 @@
   set selection&vim
   bw!
 endfunc
+
+" Tests for string and html text objects
+func Test_string_html_objects()
+  enew!
+
+  let t = '"wo\"rd\\" foo'
+  put =t
+  normal! da"
+  call assert_equal('foo', getline('.'))
+
+  let t = "'foo' 'bar' 'piep'"
+  put =t
+  normal! 0va'a'rx
+  call assert_equal("xxxxxxxxxxxx'piep'", getline('.'))
+
+  let t = "bla bla `quote` blah"
+  put =t
+  normal! 02f`da`
+  call assert_equal("bla bla blah", getline('.'))
+
+  let t = 'out " in "noXno"'
+  put =t
+  normal! 0fXdi"
+  call assert_equal('out " in ""', getline('.'))
+
+  let t = "\"'\" 'blah' rep 'buh'"
+  put =t
+  normal! 03f'vi'ry
+  call assert_equal("\"'\" 'blah'yyyyy'buh'", getline('.'))
+
+  set quoteescape=+*-
+  let t = "bla `s*`d-`+++`l**` b`la"
+  put =t
+  normal! di`
+  call assert_equal("bla `` b`la", getline('.'))
+
+  let t = 'voo "nah" sdf " asdf" sdf " sdf" sd'
+  put =t
+  normal! $F"va"oha"i"rz
+  call assert_equal('voo "zzzzzzzzzzzzzzzzzzzzzzzzzzzzsd', getline('.'))
+
+  let t = "-<b>asdf<i>Xasdf</i>asdf</b>-"
+  put =t
+  normal! fXdit
+  call assert_equal('-<b>asdf<i></i>asdf</b>-', getline('.'))
+
+  let t = "-<b>asdX<i>a<i />sdf</i>asdf</b>-"
+  put =t
+  normal! 0fXdit
+  call assert_equal('-<b></b>-', getline('.'))
+
+  let t = "-<b>asdf<i>Xasdf</i>asdf</b>-"
+  put =t
+  normal! fXdat
+  call assert_equal('-<b>asdfasdf</b>-', getline('.'))
+
+  let t = "-<b>asdX<i>as<b />df</i>asdf</b>-"
+  put =t
+  normal! 0fXdat
+  call assert_equal('--', getline('.'))
+
+  let t = "-<b>\ninnertext object\n</b>"
+  put =t
+  normal! dit
+  call assert_equal('-<b></b>', getline('.'))
+
+  set quoteescape&
+  enew!
+endfunc
+
+" Tests for match() and matchstr()
+func Test_match()
+  call assert_equal("b", matchstr("abcd", ".", 0, 2))
+  call assert_equal("bc", matchstr("abcd", "..", 0, 2))
+  call assert_equal("c", matchstr("abcd", ".", 2, 0))
+  call assert_equal("a", matchstr("abcd", ".", 0, -1))
+  call assert_equal(-1, match("abcd", ".", 0, 5))
+  call assert_equal(0 , match("abcd", ".", 0, -1))
+  call assert_equal(0 , match('abc', '.', 0, 1))
+  call assert_equal(1 , match('abc', '.', 0, 2))
+  call assert_equal(2 , match('abc', '.', 0, 3))
+  call assert_equal(-1, match('abc', '.', 0, 4))
+  call assert_equal(1 , match('abc', '.', 1, 1))
+  call assert_equal(2 , match('abc', '.', 2, 1))
+  call assert_equal(-1, match('abc', '.', 3, 1))
+  call assert_equal(3 , match('abc', '$', 0, 1))
+  call assert_equal(-1, match('abc', '$', 0, 2))
+  call assert_equal(3 , match('abc', '$', 1, 1))
+  call assert_equal(3 , match('abc', '$', 2, 1))
+  call assert_equal(3 , match('abc', '$', 3, 1))
+  call assert_equal(-1, match('abc', '$', 4, 1))
+  call assert_equal(0 , match('abc', '\zs', 0, 1))
+  call assert_equal(1 , match('abc', '\zs', 0, 2))
+  call assert_equal(2 , match('abc', '\zs', 0, 3))
+  call assert_equal(3 , match('abc', '\zs', 0, 4))
+  call assert_equal(-1, match('abc', '\zs', 0, 5))
+  call assert_equal(1 , match('abc', '\zs', 1, 1))
+  call assert_equal(2 , match('abc', '\zs', 2, 1))
+  call assert_equal(3 , match('abc', '\zs', 3, 1))
+  call assert_equal(-1, match('abc', '\zs', 4, 1))
+endfunc