diff --git a/README.md b/README.md
index f8b9ced..423c839 100644
--- a/README.md
+++ b/README.md
@@ -217,7 +217,14 @@ Run tests with Vim and Neovim, whichever is installed
 ./test/run.sh basic template  # Only these cases
 ```
 
-Each case is a `.vue` file in [test/cases](test/cases), with an optional `.vim` file for the config and syntax checks. A case fails if indenting the whole file changes it, a check fails, or there is an error message. Tests also run on GitHub Actions for each push and pull request.
+Each case is a `.vue` or `.wpy` file in [test/cases](test/cases), with an optional `.vim` file for the config and checks. A case fails if
+
+- indenting the whole file changes it
+- with `g:test_flatten`, indenting the file after removing all indent doesn't restore it
+- a check in `Check()` fails, such as syntax, `GetVueTag()`, `GetVueSyntax()` or fold level
+- there is an error message
+
+Tests also run on GitHub Actions for each push and pull request.
 
 ## Acknowledgments & Refs
 
diff --git a/test/cases/attribute-off.vim b/test/cases/attribute-off.vim
new file mode 100644
index 0000000..09c8797
--- /dev/null
+++ b/test/cases/attribute-off.vim
@@ -0,0 +1,14 @@
+" Without attribute and keyword highlight
+let g:vim_vue_plugin_config = {'attribute': 0, 'keyword': 0}
+let g:test_flatten = 1
+
+function! Check()
+  call ExpectSyntax('@click', 'VueKey')
+  call ExpectSyntax('toggle', 'VueValue')
+  call ExpectNoSyntax('$t', 'VueInject')
+  call ExpectNoSyntax('1"', 'javaScriptNumber')
+  call ExpectSyntax('message', 'VueExpression')
+  call ExpectEqual(matchstr(execute('highlight VueKey'), 'links to \zs\S\+'),
+        \ 'htmlArg', 'VueKey link')
+  call ExpectNoSyntax('data', 'vueObjectFuncName')
+endfunction
diff --git a/test/cases/attribute-off.vue b/test/cases/attribute-off.vue
new file mode 100644
index 0000000..73cf150
--- /dev/null
+++ b/test/cases/attribute-off.vue
@@ -0,0 +1,13 @@
+<template>
+  <div @click="toggle(item)" :title="$t('title')" v-if="count > 1">
+    <p>{{ message }}</p>
+  </div>
+</template>
+
+<script>
+export default {
+  data() {
+    return {}
+  },
+}
+</script>
diff --git a/test/cases/attribute.vim b/test/cases/attribute.vim
new file mode 100644
index 0000000..4806efa
--- /dev/null
+++ b/test/cases/attribute.vim
@@ -0,0 +1,26 @@
+" Template syntax with attribute highlight
+let g:vim_vue_plugin_config = {'attribute': 1}
+let g:test_flatten = 1
+
+function! Check()
+  " Directives
+  call ExpectSyntax(':class', 'VueKey')
+  call ExpectSyntax('@click', 'VueKey')
+  call ExpectSyntax('v-if', 'VueKey')
+  " Values as expressions
+  call ExpectSyntax('1"', 'javaScriptNumber')
+  call ExpectSyntax('$t', 'VueInject')
+  call ExpectSyntax("'title'", 'javaScriptStringS')
+  " Components and attributes
+  normal! gg
+  call ExpectSyntax('MyComponent', 'VueComponentName')
+  call ExpectSyntax('ref=', 'htmlArg')
+  call ExpectSyntax('data-id', 'htmlArg')
+  call ExpectSyntax('my-component', 'VueComponentName')
+  call ExpectSyntax('transition', 'VueComponentName')
+  " Interpolation
+  call ExpectSyntax('{{', 'VueBrace')
+  call ExpectSyntax('message', 'VueExpression')
+  call ExpectEqual(matchstr(execute('highlight VueKey'), 'links to \zs\S\+'),
+        \ 'Type', 'VueKey link')
+endfunction
diff --git a/test/cases/attribute.vue b/test/cases/attribute.vue
new file mode 100644
index 0000000..ffd430f
--- /dev/null
+++ b/test/cases/attribute.vue
@@ -0,0 +1,19 @@
+<template>
+  <div :class="{ active: isActive }" @click="toggle(item)" v-if="count > 1">
+    <MyComponent ref="comp" data-id="1" :title="$t('title')" />
+    <my-component v-model="text"></my-component>
+    <transition name="fade">
+      <p>{{ message.toUpperCase() }}</p>
+    </transition>
+  </div>
+</template>
+
+<script>
+export default {
+  data() {
+    return {
+      count: 0,
+    }
+  },
+}
+</script>
diff --git a/test/cases/basic.vim b/test/cases/basic.vim
index eb117a9..475c037 100644
--- a/test/cases/basic.vim
+++ b/test/cases/basic.vim
@@ -5,3 +5,15 @@ let g:vim_vue_plugin_config = {
       \   'style': ['css'],
       \},
       \}
+let g:test_flatten = 1
+packadd matchit
+
+" Jump between tags with % by matchit. Use :normal for its mapping
+function! Check()
+  for [lnum, col, expected] in [[1, 2, [3, '/template']], [2, 4, [2, '/p']]]
+    call cursor(lnum, col)
+    normal %
+    call ExpectEqual([line('.'), matchstr(getline('.'), '\%'.col('.').'c/\w\+')],
+          \ expected, printf('after %% from line %d col %d', lnum, col))
+  endfor
+endfunction
diff --git a/test/cases/context.vim b/test/cases/context.vim
new file mode 100644
index 0000000..4257389
--- /dev/null
+++ b/test/cases/context.vim
@@ -0,0 +1,27 @@
+" OnChangeVueSyntax() is called when syntax under cursor changes. It's
+" defined before the plugin is loaded
+let g:vim_vue_plugin_config = {
+      \'syntax': {
+      \   'template': ['html'],
+      \   'script': ['javascript', 'typescript'],
+      \   'style': ['css', 'scss'],
+      \},
+      \}
+let g:test_changes = []
+
+function! OnChangeVueSyntax(syntax)
+  call add(g:test_changes, a:syntax)
+endfunction
+
+function! Check()
+  for lnum in [2, 3, 6, 6, 10, 2]
+    call cursor(lnum, 1)
+    doautocmd CursorMoved
+  endfor
+  call ExpectEqual(g:test_changes, ['html', 'typescript', 'scss', 'html'],
+        \ 'syntax changes')
+  call ExpectEqual(GetVueSyntax(), 'html', 'GetVueSyntax()')
+  call ExpectTag(6, 'script')
+  call ExpectTag(10, 'style')
+endfunction
+let g:test_flatten = 1
diff --git a/test/cases/context.vue b/test/cases/context.vue
new file mode 100644
index 0000000..08d2b42
--- /dev/null
+++ b/test/cases/context.vue
@@ -0,0 +1,11 @@
+<template>
+  <div></div>
+</template>
+
+<script lang="ts">
+const a: number = 1
+</script>
+
+<style lang="scss">
+$a: 1px;
+</style>
diff --git a/test/cases/example.vim b/test/cases/example.vim
index 530800c..f6edbd6 100644
--- a/test/cases/example.vim
+++ b/test/cases/example.vim
@@ -13,3 +13,28 @@ let g:vim_vue_plugin_config = {
       \'foldexpr': 1,
       \'full_syntax': ['scss', 'less'],
       \}
+
+" Block tag, syntax by lang="..." or the first in config, and block group
+" with css prefix for emmet-vim
+function! Check()
+  call ExpectBlock('div.set', 'template', 'pug', 'pugTemplateBlock')
+  call ExpectBlock('<template></template>', 'template', 'html', 'htmlTemplateBlock')
+  call ExpectBlock('export default', 'script', 'javascript', 'javascriptScriptBlock')
+  call ExpectBlock('import Vue', 'script', 'typescript', 'typescriptScriptBlock')
+  call ExpectBlock('# Assignment', 'script', 'coffee', 'coffeeScriptBlock')
+  call ExpectBlock('p {', 'style', 'css', 'cssStyleBlock')
+  call ExpectBlock('$a: 100px', 'style', 'scss', 'cssScssStyleBlock')
+  call ExpectBlock('$w: 128px', 'style', 'sass', 'sassStyleBlock')
+  call ExpectBlock('@list: 10 12', 'style', 'less', 'cssLessStyleBlock')
+  call ExpectBlock("@import 'vendor'", 'style', 'stylus', 'cssStylusStyleBlock')
+  call ExpectBlock('"requiresAuth"', 'route', 'json', 'jsonRouteBlock')
+  call ExpectBlock('# This is', 'docs', 'markdown', 'markdownDocsBlock')
+  call ExpectBlock('en:', 'i18n', 'yaml', 'yamlI18nBlock')
+  call ExpectBlock('"en"', 'i18n', 'json', 'jsonI18nBlock')
+
+  " Syntax from a sync point, as after jumping to the end
+  silent edit!
+  normal! G
+  call search('"en"', 'bW')
+  call ExpectEqual(GetVueSyntax(), 'json', 'syntax at the end after reload')
+endfunction
diff --git a/test/cases/fold.vim b/test/cases/fold.vim
index 2ba1f62..524725e 100644
--- a/test/cases/fold.vim
+++ b/test/cases/fold.vim
@@ -13,3 +13,4 @@ function! Check()
     call ExpectFoldlevel(lnum, levels[lnum - 1])
   endfor
 endfunction
+let g:test_flatten = 1
diff --git a/test/cases/indent.vim b/test/cases/indent.vim
index a23b534..5caa8f8 100644
--- a/test/cases/indent.vim
+++ b/test/cases/indent.vim
@@ -7,3 +7,4 @@ let g:vim_vue_plugin_config = {
       \},
       \'initial_indent': ['script', 'style', 'codepen-additional'],
       \}
+let g:test_flatten = 1
diff --git a/test/cases/initial-indent.vim b/test/cases/initial-indent.vim
new file mode 100644
index 0000000..4b50c63
--- /dev/null
+++ b/test/cases/initial-indent.vim
@@ -0,0 +1,10 @@
+" initial_indent as `syntax` and `tag.syntax`
+let g:vim_vue_plugin_config = {
+      \'syntax': {
+      \   'script': ['javascript'],
+      \   'style': ['css', 'scss'],
+      \   'i18n': ['json', 'yaml'],
+      \},
+      \'initial_indent': ['scss', 'i18n.json'],
+      \}
+let g:test_flatten = 1
diff --git a/test/cases/initial-indent.vue b/test/cases/initial-indent.vue
new file mode 100644
index 0000000..0506fec
--- /dev/null
+++ b/test/cases/initial-indent.vue
@@ -0,0 +1,28 @@
+<script>
+export default {}
+</script>
+
+<style lang="scss">
+  .a {
+    color: red;
+  }
+</style>
+
+<style>
+.b {
+  color: blue;
+}
+</style>
+
+<i18n>
+  {
+    "en": {
+      "hello": "Hello"
+    }
+  }
+</i18n>
+
+<i18n lang="yaml">
+en:
+  hello: Hello
+</i18n>
diff --git a/test/cases/keyword.vim b/test/cases/keyword.vim
index 1300e7a..9c7b832 100644
--- a/test/cases/keyword.vim
+++ b/test/cases/keyword.vim
@@ -14,3 +14,4 @@ function! Check()
   call ExpectSyntax('computed', 'vueObjectKey')
   call ExpectSyntax('mounted', 'vueObjectFuncName')
 endfunction
+let g:test_flatten = 1
diff --git a/test/cases/miniprogram.vim b/test/cases/miniprogram.vim
new file mode 100644
index 0000000..f9398bf
--- /dev/null
+++ b/test/cases/miniprogram.vim
@@ -0,0 +1,9 @@
+" .wpy for miniprogram, with initial indent for script and style by default
+let g:test_flatten = 1
+
+function! Check()
+  call ExpectSyntax('view', 'VueCustomTag')
+  call ExpectSyntax('wx:if', 'VueKey')
+  call ExpectSyntax('show', 'VueExpression')
+  call ExpectSyntax('text', 'VueCustomTag')
+endfunction
diff --git a/test/cases/miniprogram.wpy b/test/cases/miniprogram.wpy
new file mode 100644
index 0000000..2ee8324
--- /dev/null
+++ b/test/cases/miniprogram.wpy
@@ -0,0 +1,21 @@
+<template>
+  <view wx:if="{{ show }}" class="greeting">
+    <text>{{ greeting }}</text>
+  </view>
+</template>
+
+<script>
+  export default {
+    data: function () {
+      return {
+        greeting: 'Hello'
+      };
+    },
+  };
+</script>
+
+<style scoped>
+  .greeting {
+    font-size: 2em;
+  }
+</style>
diff --git a/test/cases/oneline.vim b/test/cases/oneline.vim
index 7ac3f54..41c1192 100644
--- a/test/cases/oneline.vim
+++ b/test/cases/oneline.vim
@@ -20,3 +20,4 @@ function! CheckSync()
           \.string(SyntaxList()))
   endif
 endfunction
+let g:test_flatten = 1
diff --git a/test/cases/random.vim b/test/cases/random.vim
index 3df54f4..411eccc 100644
--- a/test/cases/random.vim
+++ b/test/cases/random.vim
@@ -8,3 +8,4 @@ let g:vim_vue_plugin_config = {
       \'keyword': 1,
       \'foldexpr': 1,
       \}
+let g:test_flatten = 1
diff --git a/test/cases/script-setup.vim b/test/cases/script-setup.vim
index cb8c7d9..40dc916 100644
--- a/test/cases/script-setup.vim
+++ b/test/cases/script-setup.vim
@@ -16,3 +16,4 @@ function! Check()
   call ExpectNoSyntax('value < 3', 'vue3Keyword')
   call ExpectSyntax('defineExpose', 'vue3Keyword')
 endfunction
+let g:test_flatten = 1
diff --git a/test/cases/template.vim b/test/cases/template.vim
index bcaceb8..432af00 100644
--- a/test/cases/template.vim
+++ b/test/cases/template.vim
@@ -16,3 +16,4 @@ function! Check()
   call ExpectNoSyntax('/docs', 'markdownDocsBlock')
   call ExpectSyntax('/docs', 'markdownDocsBlock')
 endfunction
+let g:test_flatten = 1
diff --git a/test/cases/vue3.vim b/test/cases/vue3.vim
index 533d2d4..7819758 100644
--- a/test/cases/vue3.vim
+++ b/test/cases/vue3.vim
@@ -13,3 +13,4 @@ function! Check()
   call ExpectSyntax('global', 'cssPseudoClassId')
   call ExpectSyntax('deep', 'cssPseudoClassId')
 endfunction
+let g:test_flatten = 1
diff --git a/test/run.sh b/test/run.sh
index 7c13272..a359a57 100755
--- a/test/run.sh
+++ b/test/run.sh
@@ -17,7 +17,7 @@ done
 if [ $# -gt 0 ]; then
   cases=$*
 else
-  cases=$(ls test/cases/*.vue | sed 's#.*/##; s#\.vue$##')
+  cases=$(ls test/cases/*.vue test/cases/*.wpy 2>/dev/null | sed 's#.*/##; s#\.[a-z]*$##')
 fi
 
 out=$(mktemp)
diff --git a/test/run.vim b/test/run.vim
index 01ab223..beaa711 100644
--- a/test/run.vim
+++ b/test/run.vim
@@ -1,9 +1,12 @@
 " Run one test case, see test/run.sh
 "   VUE_TEST_CASE=basic vim -N -u NONE -i NONE -S test/run.vim
 "
-" A case is test/cases/<name>.vue, with optional test/cases/<name>.vim to set
-" g:vim_vue_plugin_config and define Check() for more assertions. It fails if
+" A case is test/cases/<name>.vue (or .wpy), with optional
+" test/cases/<name>.vim to set g:vim_vue_plugin_config and define Check() for
+" more assertions. It fails if
 " - indenting the whole file changes it
+" - with g:test_flatten, indenting the file without any indent doesn't
+"   restore it
 " - Check() calls Fail() or an Expect*() function fails
 " - there are error messages
 "
@@ -13,6 +16,7 @@ set nocompatible
 let s:root = expand('<sfile>:p:h:h')
 let s:name = $VUE_TEST_CASE
 let s:case = s:root.'/test/cases/'.s:name
+let s:file = filereadable(s:case.'.vue') ? s:case.'.vue' : s:case.'.wpy'
 let s:errors = []
 
 " Plugin first, before Vim's placeholder vue syntax and indent files
@@ -60,6 +64,26 @@ function! ExpectFoldlevel(lnum, level)
   endif
 endfunction
 
+function! ExpectEqual(actual, expected, desc)
+  if a:actual !=# a:expected
+    call Fail(printf('%s should be %s, but got %s',
+          \ a:desc, string(a:expected), string(a:actual)))
+  endif
+endfunction
+
+" Search pattern forward from cursor and check the block there by
+" GetVueTag(), GetVueSyntax() and the block syntax group at the line end
+function! ExpectBlock(pattern, tag, syntax, group)
+  if !search('\V'.a:pattern, 'W')
+    return Fail('not found: '.a:pattern)
+  endif
+  let desc = printf('%s at line %d: ', a:pattern, line('.'))
+  call ExpectEqual(GetVueTag(), a:tag, desc.'tag')
+  call ExpectEqual(GetVueSyntax(), a:syntax, desc.'syntax')
+  let group = synIDattr(synstack(line('.'), col('$') - 1)[0], 'name')
+  call ExpectEqual(group, a:group, desc.'block group')
+endfunction
+
 function! ExpectTag(lnum, tag)
   if GetVueTag(a:lnum) !=# a:tag
     call Fail(printf('tag at line %d should be %s, but got %s',
@@ -74,22 +98,34 @@ filetype plugin indent on
 syntax on
 
 messages clear
-execute 'silent edit '.fnameescape(s:case.'.vue')
+execute 'silent edit '.fnameescape(s:file)
 redraw
 
+function! s:ExpectLines(lines, desc)
+  let actual = getline(1, '$')
+  if actual == a:lines
+    return
+  endif
+  let i = 0
+  while i < len(a:lines) && get(actual, i) ==# a:lines[i]
+    let i += 1
+  endwhile
+  call Fail(printf('%s changed line %d: expected %s, but got %s',
+        \ a:desc, i + 1, string(get(a:lines, i, '')), string(get(actual, i, ''))))
+endfunction
+
 " Indent
 let s:lines = getline(1, '$')
 silent normal! gg=G
-let s:indented = getline(1, '$')
-if s:indented != s:lines
-  let s:lnum = 0
-  while s:lnum < len(s:lines) && get(s:indented, s:lnum) ==# s:lines[s:lnum]
-    let s:lnum += 1
-  endwhile
-  call Fail(printf('indent changed at line %d: expected %s, but got %s',
-        \ s:lnum + 1, string(get(s:lines, s:lnum, '')),
-        \ string(get(s:indented, s:lnum, ''))))
-  silent undo
+call s:ExpectLines(s:lines, 'indent')
+silent edit!
+
+" Indent without any indent
+if get(g:, 'test_flatten', 0)
+  silent %s/^\s\+//e
+  silent normal! gg=G
+  call s:ExpectLines(s:lines, 'indent from flat')
+  silent edit!
 endif
 
 " Assertions