Contracts p2900 contract violation #8
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| // test that contracts on overriding functions are found correctly | ||
| // { dg-do run } | ||
| // { dg-options "-std=c++2a -fcontracts -fcontract-continuation-mode=on -fcontracts-nonattr " } | ||
|
|
||
| int foo(const int i) pre( i > 3) post (r: r > 4){ | ||
|
|
||
| contract_assert( i > 5); | ||
| return i; | ||
| }; | ||
|
|
||
| int main(int, char**) | ||
| { | ||
|
|
||
| foo (1); | ||
| } | ||
| // { dg-output "contract violation in function foo at .*5: i > 3.*(\n|\r\n|\r)" } | ||
| // { dg-output ".assertion_kind: pre, semantic: enforce, mode: predicate_false.(\n|\r\n|\r)" } | ||
|
|
||
| // { dg-output "contract violation in function foo at .*7: i > 5.*(\n|\r\n|\r)" } | ||
| // { dg-output ".assertion_kind: assert, semantic: enforce, mode: predicate_false.(\n|\r\n|\r)" } | ||
|
|
||
| // { dg-output "contract violation in function foo at .*5: r > 4.*(\n|\r\n|\r)" } | ||
| // { dg-output ".assertion_kind: post, semantic: enforce, mode: predicate_false.(\n|\r\n|\r)" } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| // { dg-do run } | ||
| // { dg-options "-std=c++2a -fcontracts -fcontracts-nonattr" } | ||
| #include <stdio.h> | ||
| #include <stdarg.h> | ||
| int simple_printf(const char* fmt, ...) [[pre : fmt != 0]] [[ post r: r > 0]] | ||
| { | ||
| va_list args; | ||
| va_start(args, fmt); | ||
|
|
||
| while (*fmt != '\0') { | ||
| if (*fmt == 'd') { | ||
| int i = va_arg(args, int); | ||
| printf("%d\n", i); | ||
| } else if (*fmt == 'c') { | ||
| // A 'char' variable will be promoted to 'int' | ||
| // A character literal in C is already 'int' by itself | ||
| int c = va_arg(args, int); | ||
| printf("%c\n", c); | ||
| } else if (*fmt == 'f') { | ||
| double d = va_arg(args, double); | ||
| printf("%f\n", d); | ||
| } | ||
| ++fmt; | ||
| } | ||
|
|
||
| va_end(args); | ||
|
|
||
| return 6; | ||
| } | ||
|
|
||
| int main() | ||
| { | ||
| simple_printf("dcff", 3, 'a', 1.999, 42.5); | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| // These tests cover various crashes found in development | ||
| // { dg-do compile } | ||
| // { dg-options "-std=c++2a -fcontracts -fcontracts-nonattr -fcontract-continuation-mode=on" } | ||
| template<typename T> | ||
| struct Base | ||
| { | ||
| virtual int f(const int a) pre(i > 5){return a;}; | ||
| private: | ||
| int i = 2; | ||
| }; | ||
|
|
||
| int Base::f(const int a) // { dg-error "used without template arguments" } | ||
| { | ||
| return a; | ||
| } | ||
|
|
Oops, something went wrong.
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
We should have a comment here that these need to be kept in sync with libstdc++/src/std{/experimental}/contracts.
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
done