tree-sitter/spec/runtime/node_position_spec.cc
2014-06-28 18:37:29 -07:00

45 lines
1.4 KiB
C++

#include "runtime/runtime_spec_helper.h"
extern "C" ts_parser ts_parser_json();
START_TEST
describe("tracking the positions of AST nodes", []() {
TSDocument *doc;
before_each([&]() {
doc = ts_document_make();
ts_document_set_parser(doc, ts_parser_json());
});
after_each([&]() {
ts_document_free(doc);
});
it("records the widths and offsets of nodes", [&]() {
ts_document_set_input_string(doc, " [12, 5]");
const ts_tree *tree = ts_document_tree(doc);
const ts_tree *array = ts_tree_children(tree, NULL)[0];
const ts_tree *number1 = ts_tree_children(array, NULL)[0];
const ts_tree *number2 = ts_tree_children(array, NULL)[1];
AssertThat(ts_document_symbol_name(doc, array), Equals("array"));
AssertThat(ts_document_symbol_name(doc, number1), Equals("number"));
AssertThat(ts_document_symbol_name(doc, number2), Equals("number"));
AssertThat(ts_tree_offset(number1), Equals<size_t>(0));
AssertThat(ts_tree_size(number1), Equals<size_t>(2));
AssertThat(ts_tree_offset(number2), Equals<size_t>(1));
AssertThat(ts_tree_size(number2), Equals<size_t>(1));
AssertThat(ts_tree_offset(array), Equals<size_t>(2));
AssertThat(ts_tree_size(array), Equals<size_t>(7));
AssertThat(ts_tree_offset(tree), Equals<size_t>(2));
AssertThat(ts_tree_size(tree), Equals<size_t>(7));
});
});
END_TEST