forked from lix-project/lix
eldritch horrors
df8851f286
the rewriting sink was just broken. when given a rewrite set that
contained a key that is also a proper infix of another key it was
possible to produce an incorrectly rewritten result if the writer
used the wrong block size. fixing this duplicates rewriteStrings,
to avoid this we'll rewrite rewriteStrings to use RewritingSource
in a new mode that'll allow rewrites we had previously forbidden.
Change-Id: I57fa0a9a994e654e11d07172b8e31d15f0b7e8c0
44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
#include "references.hh"
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#include <gtest/gtest.h>
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namespace nix {
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using std::string;
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struct RewriteParams {
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string originalString, finalString;
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StringMap rewrites;
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friend std::ostream& operator<<(std::ostream& os, const RewriteParams& bar) {
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StringSet strRewrites;
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for (auto & [from, to] : bar.rewrites)
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strRewrites.insert(from + "->" + to);
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return os <<
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"OriginalString: " << bar.originalString << std::endl <<
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"Rewrites: " << concatStringsSep(",", strRewrites) << std::endl <<
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"Expected result: " << bar.finalString;
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}
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};
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class RewriteTest : public ::testing::TestWithParam<RewriteParams> {
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};
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TEST_P(RewriteTest, IdentityRewriteIsIdentity) {
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RewriteParams param = GetParam();
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StringSource src{param.originalString};
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ASSERT_EQ(RewritingSource(param.rewrites, src).drain(), param.finalString);
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}
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INSTANTIATE_TEST_CASE_P(
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references,
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RewriteTest,
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::testing::Values(
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RewriteParams{ "foooo", "baroo", {{"foo", "bar"}, {"bar", "baz"}}},
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RewriteParams{ "foooo", "bazoo", {{"fou", "bar"}, {"foo", "baz"}}},
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RewriteParams{ "foooo", "foooo", {}},
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RewriteParams{ "babb", "bbbb", {{"ab", "aa"}, {"babb", "bbbb"}}}
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)
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);
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}
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