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local helpers = require('test.functional.helpers')(after_each)
local clear = helpers.clear
local eq = helpers.eq
local exec_lua = helpers.exec_lua
local insert = helpers.insert
local pending_c_parser = helpers.pending_c_parser
before_each(clear)
local function lua_eval(lua_expr)
return exec_lua("return " .. lua_expr)
end
describe('treesitter node API', function()
clear()
if pending_c_parser(pending) then
return
end
it('can move between siblings', function()
insert([[
int main(int x, int y, int z) {
return x + y * z
}
]])
exec_lua([[
query = require"vim.treesitter.query"
parser = vim.treesitter.get_parser(0, "c")
tree = parser:parse()[1]
root = tree:root()
lang = vim.treesitter.inspect_language('c')
function node_text(node)
return query.get_node_text(node, 0)
end
]])
exec_lua 'node = root:descendant_for_range(0, 11, 0, 16)'
eq('int x', lua_eval('node_text(node)'))
exec_lua 'node = node:next_sibling()'
eq(',', lua_eval('node_text(node)'))
exec_lua 'node = node:next_sibling()'
eq('int y', lua_eval('node_text(node)'))
exec_lua 'node = node:prev_sibling()'
eq(',', lua_eval('node_text(node)'))
exec_lua 'node = node:prev_sibling()'
eq('int x', lua_eval('node_text(node)'))
exec_lua 'node = node:next_named_sibling()'
eq('int y', lua_eval('node_text(node)'))
exec_lua 'node = node:prev_named_sibling()'
eq('int x', lua_eval('node_text(node)'))
end)
end)
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