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| author | chriseth <chris@ethereum.org> | 2017-06-22 01:32:56 +0800 |
|---|---|---|
| committer | chriseth <chris@ethereum.org> | 2017-06-26 22:31:36 +0800 |
| commit | d0b6de0b346b319c85747fdbee76c1d204d6ced6 (patch) | |
| tree | c1c58441ee94e082c753ce5727d79fd61d28e504 /test/libsolidity | |
| parent | 751ba701bca0fbcae6d74cfdc23a4ac4a1c3dfab (diff) | |
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Warn about copies in storage that might overwrite unexpectedly.
Diffstat (limited to 'test/libsolidity')
| -rw-r--r-- | test/libsolidity/SolidityNameAndTypeResolution.cpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/test/libsolidity/SolidityNameAndTypeResolution.cpp b/test/libsolidity/SolidityNameAndTypeResolution.cpp index a6027812..6af5f503 100644 --- a/test/libsolidity/SolidityNameAndTypeResolution.cpp +++ b/test/libsolidity/SolidityNameAndTypeResolution.cpp @@ -5771,6 +5771,48 @@ BOOST_AUTO_TEST_CASE(pure_statement_check_for_regular_for_loop) success(text); } +BOOST_AUTO_TEST_CASE(warn_multiple_storage_storage_copies) +{ + char const* text = R"( + contract C { + struct S { uint a; uint b; } + S x; S y; + function f() { + (x, y) = (y, x); + } + } + )"; + CHECK_WARNING(text, "This assignment performs two copies to storage."); +} + +BOOST_AUTO_TEST_CASE(warn_multiple_storage_storage_copies_fill_right) +{ + char const* text = R"( + contract C { + struct S { uint a; uint b; } + S x; S y; + function f() { + (x, y, ) = (y, x, 1, 2); + } + } + )"; + CHECK_WARNING(text, "This assignment performs two copies to storage."); +} + +BOOST_AUTO_TEST_CASE(warn_multiple_storage_storage_copies_fill_left) +{ + char const* text = R"( + contract C { + struct S { uint a; uint b; } + S x; S y; + function f() { + (,x, y) = (1, 2, y, x); + } + } + )"; + CHECK_WARNING(text, "This assignment performs two copies to storage."); +} + BOOST_AUTO_TEST_CASE(warn_unused_local) { char const* text = R"( |