Add more tests.

bindgen-tests/tests/headers/macro-cast.h

@@ -0,0 +1,7 @@
+#define ULONG_MAX 4294967295
+
+typedef unsigned long TickType_t;
+#define portMAX_DELAY (TickType_t) ULONG_MAX
+
+#define NEG_TO_POS (unsigned int) -1
+#define BIG_TO_SMALL (unsigned short) ULONG_MAX

bindgen-tests/tests/headers/macro-do-while.h

@@ -0,0 +1,6 @@
+int xTaskDelayUntil(int, int);
+
+#define vTaskDelayUntil( pxPreviousWakeTime, xTimeIncrement )                   \
+    do {                                                                        \
+        ( void ) xTaskDelayUntil( ( pxPreviousWakeTime ), ( xTimeIncrement ) ); \
+    } while( 0 )

bindgen-tests/tests/headers/macro-func-arg-variable-same-name.h

@@ -0,0 +1,6 @@
+// The `x` argument of the `f3` function-like macro
+// and the `x` in the nested `y` macro should be treated
+// as different variables.
+#define y x
+#define f3(x) y + y
+#define x 2

bindgen-tests/tests/headers/macro-func-nested.h

@@ -0,0 +1,3 @@
+// The `f1` macro call in `f2` should be expanded.
+#define f1(x) x * 2
+#define f2(y) y * f1(y)

bindgen-tests/tests/headers/macro-macos-limits.h

@@ -0,0 +1,83 @@
+/* Number of bits in a `char'.  */
+#undef CHAR_BIT
+#define CHAR_BIT 8
+
+/* Maximum length of a multibyte character.  */
+#ifndef MB_LEN_MAX
+#define MB_LEN_MAX 1
+#endif
+
+/* Minimum and maximum values a `signed char' can hold.  */
+#undef SCHAR_MIN
+#define SCHAR_MIN (-128)
+#undef SCHAR_MAX
+#define SCHAR_MAX 127
+
+/* Maximum value an `unsigned char' can hold.  (Minimum is 0).  */
+#undef UCHAR_MAX
+#define UCHAR_MAX 255
+
+/* Minimum and maximum values a `char' can hold.  */
+#ifdef __CHAR_UNSIGNED__
+#undef CHAR_MIN
+#define CHAR_MIN 0
+#undef CHAR_MAX
+#define CHAR_MAX 255
+#else
+#undef CHAR_MIN
+#define CHAR_MIN (-128)
+#undef CHAR_MAX
+#define CHAR_MAX 127
+#endif
+
+/* Minimum and maximum values a `signed short int' can hold.  */
+#undef SHRT_MIN
+#define SHRT_MIN (-32768)
+#undef SHRT_MAX
+#define SHRT_MAX 32767
+
+/* Maximum value an `unsigned short int' can hold.  (Minimum is 0).  */
+#undef USHRT_MAX
+#define USHRT_MAX 65535
+
+/* Minimum and maximum values a `signed int' can hold.  */
+#ifndef __INT_MAX__
+#define __INT_MAX__ 2147483647
+#endif
+#undef INT_MIN
+#define INT_MIN (-INT_MAX-1)
+#undef INT_MAX
+#define INT_MAX __INT_MAX__
+
+/* Maximum value an `unsigned int' can hold.  (Minimum is 0).  */
+#undef UINT_MAX
+#define UINT_MAX (INT_MAX * 2U + 1)
+
+/* Minimum and maximum values a `signed long int' can hold.
+   (Same as `int').  */
+#ifndef __LONG_MAX__
+#define __LONG_MAX__ 2147483647L
+#endif
+#undef LONG_MIN
+#define LONG_MIN (-LONG_MAX-1)
+#undef LONG_MAX
+#define LONG_MAX __LONG_MAX__
+
+/* Maximum value an `unsigned long int' can hold.  (Minimum is 0).  */
+#undef ULONG_MAX
+#define ULONG_MAX (LONG_MAX * 2UL + 1)
+
+#if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__)
+/* Minimum and maximum values a `signed long long int' can hold.  */
+#ifndef __LONG_LONG_MAX__
+#define __LONG_LONG_MAX__ 9223372036854775807LL
+#endif
+#undef LONG_LONG_MIN
+#define LONG_LONG_MIN (-LONG_LONG_MAX-1)
+#undef LONG_LONG_MAX
+#define LONG_LONG_MAX __LONG_LONG_MAX__
+
+/* Maximum value an `unsigned long long int' can hold.  (Minimum is 0).  */
+#undef ULONG_LONG_MAX
+#define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1)
+#endif