traxys/tree-sitter
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Store subtree's lookahead byte count relative to its end offset

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This improves test coverage for incremental parsing by generalizing
the randomized tests in `real_grammars.cc` to make *multiple* edits
before incrementally re-parsing.
This commit is contained in:
Max Brunsfeld 2018-11-02 15:20:43 -07:00
parent 67a9cb3336
commit 2169c45da9
13 changed files with 132 additions and 140 deletions
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7
test/runtime/node_test.cc
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@ -650,13 +650,14 @@ describe("Node", [&]() {
it("updates the node's start position according to edit - random edits", [&]() {
SpyInput input(json_string, 3);
Generator random(TREE_SITTER_SEED);
for (unsigned i = 0; i < 10; i++) {
auto nodes_before = get_all_nodes();
size_t edit_start = default_generator(input.content.size());
size_t deletion_size = default_generator(2) ? 0 : default_generator(input.content.size() - edit_start);
string inserted_text = default_generator.words(default_generator(4) + 1);
size_t edit_start = random(input.content.size());
size_t deletion_size = random(2) ? 0 : random(input.content.size() - edit_start);
string inserted_text = random.words(random(4) + 1);
TSInputEdit edit = input.replace(edit_start, deletion_size, inserted_text);
ts_tree_edit(tree, &edit);