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Testcase for #1662.

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This commit is contained in:
acqn 2022-02-14 22:28:22 +08:00
parent 6beb090193
commit 6dbafda53f
1 changed files with 18 additions and 16 deletions
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34
test/val/bitfield.c
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@ -26,8 +26,10 @@
static unsigned char failures = 0;
typedef unsigned int field_type;
static struct four_bits {
unsigned int x : 4;
field_type x : 4;
} fb = {1};
static void test_four_bits(void)
@ -57,8 +59,8 @@ static void test_four_bits(void)
*/
static struct four_bits_with_int {
unsigned int x : 4;
unsigned int y;
field_type x : 4;
field_type y;
} fbi = {1, 2};
static void test_four_bits_with_int(void)
@ -95,8 +97,8 @@ static void test_four_bits_with_int(void)
}
static struct overlap {
unsigned int x : 10;
unsigned int y : 10;
field_type x : 10;
field_type y : 10;
} o = {11, 22};
/* Tests that bit-fields can share allocation units. */
@ -133,9 +135,9 @@ static void test_overlap(void)
}
static struct overlap_with_int {
unsigned int x : 10;
unsigned int y : 10;
unsigned int z;
field_type x : 10;
field_type y : 10;
field_type z;
} oi = {111, 222, 333};
static void test_overlap_with_int(void)
@ -183,8 +185,8 @@ static void test_overlap_with_int(void)
}
static struct full_width {
unsigned int x : 8;
unsigned int y : 16;
field_type x : 8;
field_type y : 16;
} fw = {255, 17};
static void test_full_width(void)
@ -220,13 +222,13 @@ static void test_full_width(void)
}
static struct aligned_end {
unsigned int : 2;
unsigned int x : 6;
unsigned int : 3;
unsigned int y : 13;
field_type : 2;
field_type x : 6;
field_type : 3;
field_type y : 13;
/* z crosses a byte boundary, but fits in a byte when shifted. */
unsigned int : 6;
unsigned int z : 7;
field_type : 6;
field_type z : 7;
} ae = {63, 17, 100};
static void test_aligned_end(void)