diff options
Diffstat (limited to 'test/libsolidity/smtCheckerTests/loops')
11 files changed, 114 insertions, 0 deletions
diff --git a/test/libsolidity/smtCheckerTests/loops/for_loop_1.sol b/test/libsolidity/smtCheckerTests/loops/for_loop_1.sol new file mode 100644 index 00000000..8988efad --- /dev/null +++ b/test/libsolidity/smtCheckerTests/loops/for_loop_1.sol @@ -0,0 +1,8 @@ +pragma experimental SMTChecker; +contract C { + function f(uint x) public pure { + require(x == 2); + for (;;) {} + assert(x == 2); + } +} diff --git a/test/libsolidity/smtCheckerTests/loops/for_loop_2.sol b/test/libsolidity/smtCheckerTests/loops/for_loop_2.sol new file mode 100644 index 00000000..58c9f3a7 --- /dev/null +++ b/test/libsolidity/smtCheckerTests/loops/for_loop_2.sol @@ -0,0 +1,8 @@ +pragma experimental SMTChecker; +contract C { + function f(uint x) public pure { + for (; x == 2; ) { + assert(x == 2); + } + } +} diff --git a/test/libsolidity/smtCheckerTests/loops/for_loop_3.sol b/test/libsolidity/smtCheckerTests/loops/for_loop_3.sol new file mode 100644 index 00000000..8bf9bdc7 --- /dev/null +++ b/test/libsolidity/smtCheckerTests/loops/for_loop_3.sol @@ -0,0 +1,8 @@ +pragma experimental SMTChecker; +contract C { + function f(uint x) public pure { + for (uint y = 2; x < 10; ) { + assert(y == 2); + } + } +} diff --git a/test/libsolidity/smtCheckerTests/loops/for_loop_4.sol b/test/libsolidity/smtCheckerTests/loops/for_loop_4.sol new file mode 100644 index 00000000..4d082026 --- /dev/null +++ b/test/libsolidity/smtCheckerTests/loops/for_loop_4.sol @@ -0,0 +1,10 @@ +pragma experimental SMTChecker; +contract C { + function f(uint x) public pure { + for (uint y = 2; x < 10; y = 3) { + assert(y == 2); + } + } +} +// ---- +// Warning: (136-150): Assertion violation happens here diff --git a/test/libsolidity/smtCheckerTests/loops/for_loop_5.sol b/test/libsolidity/smtCheckerTests/loops/for_loop_5.sol new file mode 100644 index 00000000..2c84960f --- /dev/null +++ b/test/libsolidity/smtCheckerTests/loops/for_loop_5.sol @@ -0,0 +1,12 @@ +pragma experimental SMTChecker; +contract C { + function f(uint x) public pure { + uint y; + for (y = 2; x < 10; ) { + y = 3; + } + assert(y == 3); + } +} +// ---- +// Warning: (167-181): Assertion violation happens here\nNote that some information is erased after the execution of loops.\nYou can re-introduce information using require(). diff --git a/test/libsolidity/smtCheckerTests/loops/for_loop_6.sol b/test/libsolidity/smtCheckerTests/loops/for_loop_6.sol new file mode 100644 index 00000000..90c4c328 --- /dev/null +++ b/test/libsolidity/smtCheckerTests/loops/for_loop_6.sol @@ -0,0 +1,12 @@ +pragma experimental SMTChecker; +contract C { + function f(uint x) public pure { + uint y; + for (y = 2; x < 10; ) { + y = 3; + } + assert(y == 2); + } +} +// ---- +// Warning: (167-181): Assertion violation happens here\nNote that some information is erased after the execution of loops.\nYou can re-introduce information using require(). diff --git a/test/libsolidity/smtCheckerTests/loops/while_loop_simple_1.sol b/test/libsolidity/smtCheckerTests/loops/while_loop_simple_1.sol new file mode 100644 index 00000000..074be86f --- /dev/null +++ b/test/libsolidity/smtCheckerTests/loops/while_loop_simple_1.sol @@ -0,0 +1,13 @@ +pragma experimental SMTChecker; +// Check that variables are cleared +contract C { + function f(uint x) public pure { + x = 2; + while (x > 1) { + x = 2; + } + assert(x == 2); + } +} +// ---- +// Warning: (194-208): Assertion violation happens here\nNote that some information is erased after the execution of loops.\nYou can re-introduce information using require(). diff --git a/test/libsolidity/smtCheckerTests/loops/while_loop_simple_2.sol b/test/libsolidity/smtCheckerTests/loops/while_loop_simple_2.sol new file mode 100644 index 00000000..92a3f0fe --- /dev/null +++ b/test/libsolidity/smtCheckerTests/loops/while_loop_simple_2.sol @@ -0,0 +1,9 @@ +pragma experimental SMTChecker; +// Check that condition is assumed. +contract C { + function f(uint x) public pure { + while (x == 2) { + assert(x == 2); + } + } +} diff --git a/test/libsolidity/smtCheckerTests/loops/while_loop_simple_3.sol b/test/libsolidity/smtCheckerTests/loops/while_loop_simple_3.sol new file mode 100644 index 00000000..a37df888 --- /dev/null +++ b/test/libsolidity/smtCheckerTests/loops/while_loop_simple_3.sol @@ -0,0 +1,11 @@ +pragma experimental SMTChecker; +// Check that condition is not assumed after the body anymore +contract C { + function f(uint x) public pure { + while (x == 2) { + } + assert(x == 2); + } +} +// ---- +// Warning: (187-201): Assertion violation happens here\nNote that some information is erased after the execution of loops.\nYou can re-introduce information using require(). diff --git a/test/libsolidity/smtCheckerTests/loops/while_loop_simple_4.sol b/test/libsolidity/smtCheckerTests/loops/while_loop_simple_4.sol new file mode 100644 index 00000000..f71da865 --- /dev/null +++ b/test/libsolidity/smtCheckerTests/loops/while_loop_simple_4.sol @@ -0,0 +1,11 @@ +pragma experimental SMTChecker; +// Check that negation of condition is not assumed after the body anymore +contract C { + function f(uint x) public pure { + while (x == 2) { + } + assert(x != 2); + } +} +// ---- +// Warning: (199-213): Assertion violation happens here\nNote that some information is erased after the execution of loops.\nYou can re-introduce information using require(). diff --git a/test/libsolidity/smtCheckerTests/loops/while_loop_simple_5.sol b/test/libsolidity/smtCheckerTests/loops/while_loop_simple_5.sol new file mode 100644 index 00000000..41559c99 --- /dev/null +++ b/test/libsolidity/smtCheckerTests/loops/while_loop_simple_5.sol @@ -0,0 +1,12 @@ +pragma experimental SMTChecker; +// Check that side-effects of condition are taken into account +contract C { + function f(uint x, uint y) public pure { + x = 7; + while ((x = y) > 0) { + } + assert(x == 7); + } +} +// ---- +// Warning: (216-230): Assertion violation happens here\nNote that some information is erased after the execution of loops.\nYou can re-introduce information using require(). |