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Handle null parent in {next,prev}_sibling

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This commit is contained in:
Max Brunsfeld 2014-08-25 11:28:09 -07:00
parent cef6827182
commit 1535ebd21c
2 changed files with 17 additions and 2 deletions
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9
spec/runtime/node_spec.cc
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@ -73,6 +73,10 @@ describe("Node", []() {
ts_node_release(array);
ts_node_release(number);
});
it("returns null if the node has no parent", [&]() {
AssertThat(ts_node_parent(root), Equals<TSNode *>(nullptr));
});
});
describe("next_sibling and prev_sibling", [&]() {
@ -90,6 +94,11 @@ describe("Node", []() {
ts_node_release(number2);
ts_node_release(number3);
});
it("returns null when the node has no parent", [&]() {
AssertThat(ts_node_next_sibling(root), Equals<TSNode *>(nullptr));
AssertThat(ts_node_prev_sibling(root), Equals<TSNode *>(nullptr));
});
});
describe("find_for_range", [&]() {