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-rw-r--r--gl/tests/test-stdint.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/gl/tests/test-stdint.c b/gl/tests/test-stdint.c
index 7705fc706e..6eb1d2edab 100644
--- a/gl/tests/test-stdint.c
+++ b/gl/tests/test-stdint.c
@@ -351,6 +351,73 @@ verify_same_types (INTMAX_C (17), (intmax_t)0 + 0);
verify (UINTMAX_C (17) == 17);
verify_same_types (UINTMAX_C (17), (uintmax_t)0 + 0);
+/* Use _GL_VERIFY (with a fixed-length diagnostic string) rather than verify,
+ because the latter would require forming each stringified expression, and
+ many of these would be so long as to trigger a warning/error like this:
+
+ test-stdint.c:407:1: error: string length '6980' is greater than the \
+ length '4095' ISO C99 compilers are required to support \
+ [-Werror=overlength-strings]
+ */
+#define verify_width(width, min, max) \
+ _GL_VERIFY ((max) >> ((width) - 1 - ((min) < 0)) == 1, \
+ "verify_width check")
+
+/* Macros specified by ISO/IEC TS 18661-1:2014. */
+
+#ifdef INT8_MAX
+verify_width (INT8_WIDTH, INT8_MIN, INT8_MAX);
+#endif
+#ifdef UINT8_MAX
+verify_width (UINT8_WIDTH, 0, UINT8_MAX);
+#endif
+#ifdef INT16_MAX
+verify_width (INT16_WIDTH, INT16_MIN, INT16_MAX);
+#endif
+#ifdef UINT16_MAX
+verify_width (UINT16_WIDTH, 0, UINT16_MAX);
+#endif
+#ifdef INT32_MAX
+verify_width (INT32_WIDTH, INT32_MIN, INT32_MAX);
+#endif
+#ifdef UINT32_MAX
+verify_width (UINT32_WIDTH, 0, UINT32_MAX);
+#endif
+#ifdef INT64_MAX
+verify_width (INT64_WIDTH, INT64_MIN, INT64_MAX);
+#endif
+#ifdef UINT64_MAX
+verify_width (UINT64_WIDTH, 0, UINT64_MAX);
+#endif
+verify_width (INT_LEAST8_WIDTH, INT_LEAST8_MIN, INT_LEAST8_MAX);
+verify_width (UINT_LEAST8_WIDTH, 0, UINT_LEAST8_MAX);
+verify_width (INT_LEAST16_WIDTH, INT_LEAST16_MIN, INT_LEAST16_MAX);
+verify_width (UINT_LEAST16_WIDTH, 0, UINT_LEAST16_MAX);
+verify_width (INT_LEAST32_WIDTH, INT_LEAST32_MIN, INT_LEAST32_MAX);
+verify_width (UINT_LEAST32_WIDTH, 0, UINT_LEAST32_MAX);
+verify_width (INT_LEAST64_WIDTH, INT_LEAST64_MIN, INT_LEAST64_MAX);
+verify_width (UINT_LEAST64_WIDTH, 0, UINT_LEAST64_MAX);
+verify_width (INT_FAST8_WIDTH, INT_FAST8_MIN, INT_FAST8_MAX);
+verify_width (UINT_FAST8_WIDTH, 0, UINT_FAST8_MAX);
+verify_width (INT_FAST16_WIDTH, INT_FAST16_MIN, INT_FAST16_MAX);
+verify_width (UINT_FAST16_WIDTH, 0, UINT_FAST16_MAX);
+verify_width (INT_FAST32_WIDTH, INT_FAST32_MIN, INT_FAST32_MAX);
+verify_width (UINT_FAST32_WIDTH, 0, UINT_FAST32_MAX);
+verify_width (INT_FAST64_WIDTH, INT_FAST64_MIN, INT_FAST64_MAX);
+verify_width (UINT_FAST64_WIDTH, 0, UINT_FAST64_MAX);
+verify_width (INTPTR_WIDTH, INTPTR_MIN, INTPTR_MAX);
+verify_width (UINTPTR_WIDTH, 0, UINTPTR_MAX);
+verify_width (INTMAX_WIDTH, INTMAX_MIN, INTMAX_MAX);
+verify_width (UINTMAX_WIDTH, 0, UINTMAX_MAX);
+verify_width (PTRDIFF_WIDTH, PTRDIFF_MIN, PTRDIFF_MAX);
+verify_width (SIZE_WIDTH, 0, SIZE_MAX);
+verify_width (WCHAR_WIDTH, WCHAR_MIN, WCHAR_MAX);
+#ifdef WINT_MAX
+verify_width (WINT_WIDTH, WINT_MIN, WINT_MAX);
+#endif
+#ifdef SIG_ATOMIC_MAX
+verify_width (SIG_ATOMIC_WIDTH, SIG_ATOMIC_MIN, SIG_ATOMIC_MAX);
+#endif
int
main (void)