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