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local helpers = require('test.functional.helpers')(after_each)
local clear = helpers.clear
local insert = helpers.insert
local eq = helpers.eq
local exec_lua = helpers.exec_lua
before_each(clear)
describe('treesitter utils', function()
before_each(clear)
it('can find an ancestor', function()
insert([[
int main() {
int x = 3;
}]])
exec_lua([[
parser = vim.treesitter.get_parser(0, "c")
tree = parser:parse()[1]
root = tree:root()
ancestor = root:child(0)
child = ancestor:child(0)
]])
eq(true, exec_lua('return vim.treesitter.is_ancestor(ancestor, child)'))
eq(false, exec_lua('return vim.treesitter.is_ancestor(child, ancestor)'))
end)
it('can detect if a position is contained in a node', function()
exec_lua([[
node = {
range = function()
return 0, 4, 0, 8
end,
}
]])
eq(false, exec_lua('return vim.treesitter.is_in_node_range(node, 0, 3)'))
for i = 4, 7 do
eq(true, exec_lua('return vim.treesitter.is_in_node_range(node, 0, ...)', i))
end
-- End column exclusive
eq(false, exec_lua('return vim.treesitter.is_in_node_range(node, 0, 8)'))
end)
end)
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