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author | Jay Berkenbilt <jberkenbilt@users.noreply.github.com> | 2023-12-16 17:31:11 +0100 |
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committer | GitHub <noreply@github.com> | 2023-12-16 17:31:11 +0100 |
commit | b0b6d9f21fe77fb7b46469529bf252f0dbcaa551 (patch) | |
tree | 612562863dbf4364e41e2086b701b92761c18e72 /libtests/buffer.cc | |
parent | d7a364b882be44c93dc4a843bcca2ae63e805c2c (diff) | |
parent | 368666899fe24885fbe05ea03688fa985645ebd9 (diff) | |
download | qpdf-b0b6d9f21fe77fb7b46469529bf252f0dbcaa551.tar.zst |
Merge pull request #1067 from m-holger/pl_buff
Reduce copying of Buffer contents
Diffstat (limited to 'libtests/buffer.cc')
-rw-r--r-- | libtests/buffer.cc | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/libtests/buffer.cc b/libtests/buffer.cc index e62a37ca..1b87bb7d 100644 --- a/libtests/buffer.cc +++ b/libtests/buffer.cc @@ -35,6 +35,21 @@ main() assert(bc2p != bc1p); assert(bc2p[0] == 'R'); assert(bc2p[1] == 'W'); + + // Test Buffer(std:string&&) + Buffer bc3("QW"); + unsigned char* bc3p = bc3.getBuffer(); + Buffer bc4(bc3.copy()); + bc3p[0] = 'R'; + unsigned char* bc4p = bc4.getBuffer(); + assert(bc4p != bc3p); + assert(bc4p[0] == 'Q'); + assert(bc4p[1] == 'W'); + bc4 = bc3.copy(); + bc4p = bc4.getBuffer(); + assert(bc4p != bc3p); + assert(bc4p[0] == 'R'); + assert(bc4p[1] == 'W'); } #ifdef _MSC_VER @@ -62,6 +77,37 @@ main() assert(bc2p != bc1p); assert(bc2p[0] == 'R'); assert(bc2p[1] == 'W'); + + // Test Buffer(std:string&&) + Buffer bc3("QW"); + unsigned char* bc3p = bc3.getBuffer(); + Buffer bc4(bc3); + bc3p[0] = 'R'; + unsigned char* bc4p = bc4.getBuffer(); + assert(bc4p != bc3p); + assert(bc4p[0] == 'Q'); + assert(bc4p[1] == 'W'); + bc4 = bc3; + bc4p = bc4.getBuffer(); + assert(bc4p != bc3p); + assert(bc2p[0] == 'R'); + assert(bc2p[1] == 'W'); + + // Test Buffer(std:string&) + std::string s{"QW"}; + Buffer bc5(s); + unsigned char* bc5p = bc5.getBuffer(); + Buffer bc6(bc5); + bc5p[0] = 'R'; + unsigned char* bc6p = bc6.getBuffer(); + assert(bc6p != bc5p); + assert(bc6p[0] == 'Q'); + assert(bc6p[1] == 'W'); + bc6 = bc5; + bc6p = bc6.getBuffer(); + assert(bc6p != bc5p); + assert(bc2p[0] == 'R'); + assert(bc2p[1] == 'W'); } #if (defined(__GNUC__) || defined(__clang__)) # pragma GCC diagnostic pop @@ -82,6 +128,19 @@ main() Buffer bm3 = std::move(bm2); unsigned char* bm3p = bm3.getBuffer(); assert(bm3p == bm2p); + + // Test Buffer(dtd::string&&) + Buffer bm4("QW"); + unsigned char* bm4p = bm4.getBuffer(); + Buffer bm5(std::move(bm4)); + bm4p[0] = 'R'; + unsigned char* bm5p = bm5.getBuffer(); + assert(bm5p == bm4p); + assert(bm5p[0] == 'R'); + + Buffer bm6 = std::move(bm5); + unsigned char* bm6p = bm6.getBuffer(); + assert(bm6p == bm5p); } try { |