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91b6833686
Today, with the tests inside a `tests` intermingled with the
corresponding library's source code, we have a few problems:
- We have to be careful that wildcards don't end up with tests being
built as part of Nix proper, or test headers being installed as part
of Nix proper.
- Tests in libraries but not executables is not right:
- It means each executable runs the previous unit tests again, because
it needs the libraries.
- It doesn't work right on Windows, which doesn't want you to load a
DLL just for the side global variable . It could be made to work
with the dlopen equivalent, but that's gross!
This reorg solves these problems.
There is a remaining problem which is that sibbling headers (like
`hash.hh` the test header vs `hash.hh` the main `libnixutil` header) end
up shadowing each other. This PR doesn't solve that. That is left as
future work for a future PR.
Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
#include "chunked-vector.hh"
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#include <gtest/gtest.h>
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namespace nix {
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TEST(ChunkedVector, InitEmpty) {
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auto v = ChunkedVector<int, 2>(100);
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ASSERT_EQ(v.size(), 0);
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}
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TEST(ChunkedVector, GrowsCorrectly) {
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auto v = ChunkedVector<int, 2>(100);
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for (auto i = 1; i < 20; i++) {
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v.add(i);
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ASSERT_EQ(v.size(), i);
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}
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}
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TEST(ChunkedVector, AddAndGet) {
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auto v = ChunkedVector<int, 2>(100);
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for (auto i = 1; i < 20; i++) {
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auto [i2, idx] = v.add(i);
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auto & i3 = v[idx];
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ASSERT_EQ(i, i2);
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ASSERT_EQ(&i2, &i3);
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}
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}
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TEST(ChunkedVector, ForEach) {
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auto v = ChunkedVector<int, 2>(100);
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for (auto i = 1; i < 20; i++) {
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v.add(i);
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}
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int count = 0;
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v.forEach([&count](int elt) {
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count++;
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});
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ASSERT_EQ(count, v.size());
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}
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TEST(ChunkedVector, OverflowOK) {
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// Similar to the AddAndGet, but intentionnally use a small
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// initial ChunkedVector to force it to overflow
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auto v = ChunkedVector<int, 2>(2);
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for (auto i = 1; i < 20; i++) {
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auto [i2, idx] = v.add(i);
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auto & i3 = v[idx];
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ASSERT_EQ(i, i2);
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ASSERT_EQ(&i2, &i3);
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}
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}
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}
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