8da9219c3a
There's no need for a `string` function since one already exists for Nodes. Now the root node is always stored on the document. This means callers of `ts_document_root_node` don't need to release its return value.
107 lines
3.2 KiB
C++
107 lines
3.2 KiB
C++
#include "runtime/runtime_spec_helper.h"
|
|
|
|
extern "C" TSLanguage * ts_language_json();
|
|
|
|
START_TEST
|
|
|
|
describe("Node", []() {
|
|
TSDocument *document;
|
|
TSNode *root;
|
|
|
|
before_each([&]() {
|
|
document = ts_document_make();
|
|
ts_document_set_language(document, ts_language_json());
|
|
|
|
ts_document_set_input_string(document, " [12, 5, 345]");
|
|
root = ts_document_root_node(document);
|
|
AssertThat(ts_node_string(root), Equals("(array (number) (number) (number))"));
|
|
});
|
|
|
|
after_each([&]() {
|
|
ts_document_free(document);
|
|
});
|
|
|
|
describe("child_count", [&]() {
|
|
it("returns the number of visible child nodes", [&]() {
|
|
AssertThat(ts_node_child_count(root), Equals<size_t>(3));
|
|
});
|
|
});
|
|
|
|
describe("child(i)", [&]() {
|
|
it("returns the child node at the given index", [&]() {
|
|
TSNode *number1 = ts_node_child(root, 0);
|
|
TSNode *number2 = ts_node_child(root, 1);
|
|
TSNode *number3 = ts_node_child(root, 2);
|
|
|
|
AssertThat(ts_node_name(root), Equals("array"));
|
|
AssertThat(ts_node_name(number1), Equals("number"));
|
|
AssertThat(ts_node_name(number2), Equals("number"));
|
|
AssertThat(ts_node_name(number3), Equals("number"));
|
|
|
|
AssertThat(ts_node_pos(root), Equals<size_t>(2));
|
|
AssertThat(ts_node_size(root), Equals<size_t>(12));
|
|
|
|
AssertThat(ts_node_pos(number1), Equals<size_t>(3));
|
|
AssertThat(ts_node_size(number1), Equals<size_t>(2));
|
|
|
|
AssertThat(ts_node_pos(number2), Equals<size_t>(7));
|
|
AssertThat(ts_node_size(number2), Equals<size_t>(1));
|
|
|
|
AssertThat(ts_node_pos(number3), Equals<size_t>(10));
|
|
AssertThat(ts_node_size(number3), Equals<size_t>(3));
|
|
|
|
ts_node_release(number1);
|
|
ts_node_release(number2);
|
|
ts_node_release(number3);
|
|
});
|
|
});
|
|
|
|
describe("parent", [&]() {
|
|
it("returns the node's parent node", [&]() {
|
|
TSNode *number = ts_node_child(root, 1);
|
|
AssertThat(ts_node_parent(number), Equals(root));
|
|
ts_node_release(number);
|
|
});
|
|
});
|
|
|
|
describe("next_sibling and prev_sibling", [&]() {
|
|
it("returns the node's next and previous siblings", [&]() {
|
|
TSNode *number1 = ts_node_child(root, 0);
|
|
TSNode *number2 = ts_node_child(root, 1);
|
|
TSNode *number3 = ts_node_child(root, 2);
|
|
|
|
AssertThat(ts_node_eq(ts_node_next_sibling(number2), number3), IsTrue());
|
|
AssertThat(ts_node_eq(ts_node_prev_sibling(number2), number1), IsTrue());
|
|
|
|
ts_node_release(number1);
|
|
ts_node_release(number2);
|
|
ts_node_release(number3);
|
|
});
|
|
});
|
|
|
|
describe("leaf_at_pos", [&]() {
|
|
it("can retrieve the leaf node at a given position", [&]() {
|
|
TSNode *number1 = ts_node_leaf_at_pos(root, 3);
|
|
TSNode *number2 = ts_node_leaf_at_pos(root, 7);
|
|
|
|
AssertThat(ts_node_name(number1), Equals("number"));
|
|
AssertThat(ts_node_size(number1), Equals<size_t>(2));
|
|
|
|
AssertThat(ts_node_name(number2), Equals("number"));
|
|
AssertThat(ts_node_size(number2), Equals<size_t>(1));
|
|
|
|
ts_node_release(number1);
|
|
ts_node_release(number2);
|
|
});
|
|
|
|
it("returns higher-level nodes when no leaf is at the given position", [&]() {
|
|
TSNode *node = ts_node_leaf_at_pos(root, 6);
|
|
|
|
AssertThat(ts_node_name(node), Equals("array"));
|
|
|
|
ts_node_release(node);
|
|
});
|
|
});
|
|
});
|
|
|
|
END_TEST
|