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AK: Add LexicalPath::is_child_of
This API checks whether this path is a child of (or the same as) another path.
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@ -208,3 +208,44 @@ TEST_CASE(parent)
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EXPECT_EQ(parent.string(), "/");
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}
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}
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TEST_CASE(is_child_of)
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{
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{
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LexicalPath parent("/a/parent/directory");
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LexicalPath child("/a/parent/directory/a/child");
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LexicalPath mismatching("/not/a/child/directory");
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EXPECT(child.is_child_of(parent));
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EXPECT(child.is_child_of(child));
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EXPECT(parent.is_child_of(parent));
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EXPECT(!parent.is_child_of(child));
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EXPECT(!mismatching.is_child_of(parent));
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EXPECT(parent.is_child_of(parent.parent()));
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EXPECT(child.parent().parent().is_child_of(parent));
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EXPECT(!child.parent().parent().parent().is_child_of(parent));
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}
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{
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LexicalPath root("/");
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EXPECT(LexicalPath("/").is_child_of(root));
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EXPECT(LexicalPath("/any").is_child_of(root));
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EXPECT(LexicalPath("/child/directory").is_child_of(root));
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}
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{
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LexicalPath relative("folder");
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LexicalPath relative_child("folder/sub");
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LexicalPath absolute("/folder");
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LexicalPath absolute_child("/folder/sub");
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EXPECT(relative_child.is_child_of(relative));
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EXPECT(absolute_child.is_child_of(absolute));
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EXPECT(relative.is_child_of(absolute));
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EXPECT(relative.is_child_of(absolute_child));
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EXPECT(relative_child.is_child_of(absolute));
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EXPECT(relative_child.is_child_of(absolute_child));
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EXPECT(!absolute.is_child_of(relative));
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EXPECT(!absolute_child.is_child_of(relative));
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EXPECT(!absolute_child.is_child_of(relative_child));
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}
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}
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