102 lines
2.4 KiB
Plaintext
102 lines
2.4 KiB
Plaintext
mem :: import "@std/mem"
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raw_allocator_test func() i32 {
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resized ?*mut u8 := mem.raw_realloc(mem.c_allocator, null, 0, 4, 1)
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if resized |bytes| {
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bytes[0] = 10
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bytes[1] = 20
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bytes[2] = 30
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bytes[3] = 40
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} else {
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return 20
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}
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grown ?*mut u8 := mem.raw_realloc(mem.c_allocator, resized, 4, 8, 1)
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if grown |bytes| {
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resized = grown
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if bytes[0] != 10 or bytes[1] != 20 or bytes[2] != 30 or bytes[3] != 40 {
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mem.raw_free(mem.c_allocator, grown, 8, 1)
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return 21
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}
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} else {
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mem.raw_free(mem.c_allocator, resized, 4, 1)
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return 22
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}
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shrunk ?*mut u8 := mem.raw_realloc(mem.c_allocator, resized, 8, 2, 1)
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if shrunk |bytes| {
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resized = shrunk
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if bytes[0] != 10 or bytes[1] != 20 {
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mem.raw_free(mem.c_allocator, shrunk, 2, 1)
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return 23
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}
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} else {
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mem.raw_free(mem.c_allocator, resized, 8, 1)
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return 24
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}
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invalid ?*mut u8 := mem.raw_realloc(mem.c_allocator, resized, 2, 4, 24)
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if invalid |memory| {
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mem.raw_free(mem.c_allocator, memory, 4, 24)
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mem.raw_free(mem.c_allocator, resized, 2, 1)
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return 25
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}
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if resized |bytes| {
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if bytes[0] != 10 or bytes[1] != 20 {
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mem.raw_free(mem.c_allocator, resized, 2, 1)
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return 26
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}
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}
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resized = mem.raw_realloc(mem.c_allocator, resized, 2, 0, 1)
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if resized |memory| {
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mem.raw_free(mem.c_allocator, memory, 0, 1)
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return 27
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}
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over_aligned ?*mut u8 := mem.raw_alloc(mem.c_allocator, 4, 32)
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if over_aligned |bytes| {
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bytes[0] = 11
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bytes[1] = 22
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} else {
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return 28
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}
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over_aligned_grown ?*mut u8 := mem.raw_realloc(mem.c_allocator, over_aligned, 4, 8, 32)
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if over_aligned_grown |bytes| {
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if bytes[0] != 11 or bytes[1] != 22 {
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mem.raw_free(mem.c_allocator, over_aligned_grown, 8, 32)
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return 29
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}
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mem.raw_free(mem.c_allocator, over_aligned_grown, 8, 32)
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} else {
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mem.raw_free(mem.c_allocator, over_aligned, 4, 32)
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return 30
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}
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zero_alignment ?*mut u8 := mem.raw_alloc(mem.c_allocator, 8, 0)
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if zero_alignment |memory| {
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mem.raw_free(mem.c_allocator, memory, 8, 0)
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return 1
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}
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bad_alignment ?*mut u8 := mem.raw_alloc(mem.c_allocator, 8, 24)
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if bad_alignment |memory| {
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mem.raw_free(mem.c_allocator, memory, 8, 24)
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return 2
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}
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aligned ?*mut u8 := mem.raw_alloc(mem.c_allocator, 64, 32)
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defer mem.raw_free(mem.c_allocator, aligned, 64, 32)
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if aligned |bytes| {
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bytes[0] = 1
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bytes[63] = 2
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if bytes[0] + bytes[63] != 3 {
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return 4
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}
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} else {
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return 3
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}
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return 0
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}
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