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Dependents:   mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510

TESTS/mbedmicro-mbed/static_assert/test_c.c@0:098463de4c5d, 2017-01-25 (annotated)

Committer:
group-onsemi
Date:
Wed Jan 25 20:34:15 2017 +0000
Revision:
0:098463de4c5d
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
group-onsemi 0:098463de4c5d 1 #include "mbed_assert.h"
group-onsemi 0:098463de4c5d 2 #define THE_ANSWER 42
group-onsemi 0:098463de4c5d 3
group-onsemi 0:098463de4c5d 4 // Tests for static asserts in different contexts
group-onsemi 0:098463de4c5d 5 // multiple asserts are used to garuntee no conflicts occur in generated labels
group-onsemi 0:098463de4c5d 6
group-onsemi 0:098463de4c5d 7 // Test for static asserts in global context
group-onsemi 0:098463de4c5d 8 MBED_STATIC_ASSERT(sizeof(int) >= sizeof(char),
group-onsemi 0:098463de4c5d 9 "An int must be larger than char");
group-onsemi 0:098463de4c5d 10 MBED_STATIC_ASSERT(2 + 2 == 4,
group-onsemi 0:098463de4c5d 11 "Hopefully the universe is mathematically consistent");
group-onsemi 0:098463de4c5d 12 MBED_STATIC_ASSERT(THE_ANSWER == 42,
group-onsemi 0:098463de4c5d 13 "Said Deep Thought, with infinite majesty and calm");
group-onsemi 0:098463de4c5d 14
group-onsemi 0:098463de4c5d 15 struct test {
group-onsemi 0:098463de4c5d 16 int dummy;
group-onsemi 0:098463de4c5d 17
group-onsemi 0:098463de4c5d 18 // Test for static asserts in struct context
group-onsemi 0:098463de4c5d 19 MBED_STRUCT_STATIC_ASSERT(sizeof(int) >= sizeof(char),
group-onsemi 0:098463de4c5d 20 "An int must be larger than char");
group-onsemi 0:098463de4c5d 21 MBED_STRUCT_STATIC_ASSERT(2 + 2 == 4,
group-onsemi 0:098463de4c5d 22 "Hopefully the universe is mathematically consistent");
group-onsemi 0:098463de4c5d 23 MBED_STRUCT_STATIC_ASSERT(THE_ANSWER == 42,
group-onsemi 0:098463de4c5d 24 "Said Deep Thought, with infinite majesty and calm");
group-onsemi 0:098463de4c5d 25 };
group-onsemi 0:098463de4c5d 26
group-onsemi 0:098463de4c5d 27 MBED_STATIC_ASSERT(sizeof(struct test) == sizeof(int),
group-onsemi 0:098463de4c5d 28 "Static assertions should not change the size of a struct");
group-onsemi 0:098463de4c5d 29
group-onsemi 0:098463de4c5d 30 void doit_c(void) {
group-onsemi 0:098463de4c5d 31 // Test for static asserts in function context
group-onsemi 0:098463de4c5d 32 MBED_STATIC_ASSERT(sizeof(int) >= sizeof(char),
group-onsemi 0:098463de4c5d 33 "An int must be larger than char");
group-onsemi 0:098463de4c5d 34 MBED_STATIC_ASSERT(2 + 2 == 4,
group-onsemi 0:098463de4c5d 35 "Hopefully the universe is mathematically consistent");
group-onsemi 0:098463de4c5d 36 MBED_STATIC_ASSERT(THE_ANSWER == 42,
group-onsemi 0:098463de4c5d 37 "Said Deep Thought, with infinite majesty and calm");
group-onsemi 0:098463de4c5d 38 }
group-onsemi 0:098463de4c5d 39