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Test most StaticAssert macros in C++ extensions

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Most of the StaticAssert macros already worked in C++ with Clang and
GCC:(the only compilers we're currently testing C++ extension support
for).  This adds a regression test for them in our test C++ extension,
so we can safely change their implementation without accidentally
breaking C++.

The only macros that StaticAssert macros that don't work yet are the
StaticAssertVariableIsOfType and StaticAssertVariableIsOfTypeMacro.
These will be added in a follow-on commit.

Author: Jelte Fennema-Nio <postgres@jeltef.nl>
Discussion: https://www.postgresql.org/message-id/flat/CAGECzQR21OnnKiZO_1rLWO0-16kg1JBxnVq-wymYW0-_1cUNtg@mail.gmail.com
This commit is contained in:
Peter Eisentraut 2026-02-17 10:06:39 +01:00
parent 3d28ecb5ac
commit 451650eaac
1 changed files with 5 additions and 0 deletions
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5
src/test/modules/test_cplusplusext/test_cplusplusext.cpp
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@ -25,6 +25,8 @@ PG_MODULE_MAGIC;
PG_FUNCTION_INFO_V1(test_cplusplus_add);
}
StaticAssertDecl(sizeof(int32) == 4, "int32 should be 4 bytes");
/*
* Simple function that returns the sum of two integers. This verifies that
* C++ extension modules can be loaded and called correctly at runtime.
@ -47,6 +49,9 @@ test_cplusplus_add(PG_FUNCTION_ARGS)
(void) rtr;
}
StaticAssertStmt(sizeof(int32) == 4, "int32 should be 4 bytes");
(void) StaticAssertExpr(sizeof(int64) == 8, "int64 should be 8 bytes");
list_free(list);
pfree(node);