55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
#include "unit_tests.hh"
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#include "assert.hh"
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#include "diff.hh"
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#include "utf8.hh"
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#include "string.hh"
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namespace Kakoune
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{
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UnitTest test_utf8{[]()
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{
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StringView str = "maïs mélange bientôt";
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kak_assert(utf8::distance(std::begin(str), std::end(str)) == 20);
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kak_assert(utf8::codepoint(std::begin(str) + 2, std::end(str)) == 0x00EF);
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}};
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UnitTest test_diff{[]()
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{
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struct Diff{DiffOp op; int len;};
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auto check_diff = [](StringView a, StringView b, std::initializer_list<Diff> diffs) {
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size_t count = 0;
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for_each_diff(a.begin(), (int)a.length(), b.begin(), (int)b.length(),
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[&](DiffOp op, int len) {
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kak_assert(count < diffs.size());
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auto& d = diffs.begin()[count++];
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kak_assert(d.op == op and d.len == len);
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});
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kak_assert(count == diffs.size());
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};
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check_diff("a?", "!", {{DiffOp::Remove, 1}, {DiffOp::Add, 1}, {DiffOp::Remove, 1}});
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check_diff("abcde", "cd", {{DiffOp::Remove, 2}, {DiffOp::Keep, 2}, {DiffOp::Remove, 1}});
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check_diff("abcd", "cdef", {{DiffOp::Remove, 2}, {DiffOp::Keep, 2}, {DiffOp::Add, 2}});
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check_diff("mais que fais la police", "mais ou va la police",
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{{DiffOp::Keep, 5}, {DiffOp::Remove, 1}, {DiffOp::Add, 1}, {DiffOp::Keep, 1},
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{DiffOp::Remove, 1}, {DiffOp::Keep, 1}, {DiffOp::Add, 1}, {DiffOp::Remove, 1},
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{DiffOp::Keep, 1}, {DiffOp::Remove, 2}, {DiffOp::Keep, 10}} );
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check_diff("abcdefghijk", "1cdef2hij34",
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{{DiffOp::Remove, 2}, {DiffOp::Add, 1}, {DiffOp::Keep, 4}, {DiffOp::Remove, 1},
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{DiffOp::Add, 1}, {DiffOp::Keep, 3}, {DiffOp::Add, 2}, {DiffOp::Remove, 1}});
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}};
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UnitTest* UnitTest::list = nullptr;
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void UnitTest::run_all_tests()
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{
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for (const UnitTest* test = UnitTest::list; test; test = test->next)
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test->func();
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}
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}
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