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Add tests for fastint widths - essentially just asserts but helpful for regression

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jack gleeson committed 2026-09-21 11:40:51 -06:00
1 parent ba3ddfadcc
commit f9ea2407b8
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tests/core/c/libc/test_core_libc_fastint_width.odin
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package test_core_libc
import "core:c"
import "core:testing"
@test
test_libc_fastint_width :: proc(t: ^testing.T) {
when ODIN_OS == .FreeBSD || ODIN_OS == .OpenBSD || ODIN_OS == .NetBSD {
testing.expect_value(t, size_of(c.int_fast8_t), 4)
testing.expect_value(t, size_of(c.uint_fast8_t), 4)
testing.expect_value(t, size_of(c.int_fast16_t), 4)
testing.expect_value(t, size_of(c.uint_fast16_t), 4)
testing.expect_value(t, size_of(c.int_fast32_t), 4)
testing.expect_value(t, size_of(c.uint_fast32_t), 4)
} else when ODIN_OS == .Darwin {
testing.expect_value(t, size_of(c.int_fast8_t), 1)
testing.expect_value(t, size_of(c.uint_fast8_t), 1)
testing.expect_value(t, size_of(c.int_fast16_t), 2)
testing.expect_value(t, size_of(c.uint_fast16_t), 2)
testing.expect_value(t, size_of(c.int_fast32_t), 4)
testing.expect_value(t, size_of(c.uint_fast32_t), 4)
} else when ODIN_OS == .Linux {
testing.expect_value(t, size_of(c.int_fast8_t), 1)
testing.expect_value(t, size_of(c.uint_fast8_t), 1)
when size_of(rawptr) == 8 { // glibc only - broken for musl
testing.expect_value(t, size_of(c.int_fast16_t), 8)
testing.expect_value(t, size_of(c.uint_fast16_t), 8)
testing.expect_value(t, size_of(c.int_fast32_t), 8)
testing.expect_value(t, size_of(c.uint_fast32_t), 8)
} else {
testing.expect_value(t, size_of(c.int_fast16_t), 4)
testing.expect_value(t, size_of(c.uint_fast16_t), 4)
testing.expect_value(t, size_of(c.int_fast32_t), 4)
testing.expect_value(t, size_of(c.uint_fast32_t), 4)
}
} else when ODIN_OS == .Windows {
testing.expect_value(t, size_of(c.int_fast8_t), 1)
testing.expect_value(t, size_of(c.uint_fast8_t), 1)
testing.expect_value(t, size_of(c.int_fast16_t), 4)
testing.expect_value(t, size_of(c.uint_fast16_t), 4)
testing.expect_value(t, size_of(c.int_fast32_t), 4)
testing.expect_value(t, size_of(c.uint_fast32_t), 4)
} else {
testing.expect_value(t, size_of(c.int_fast8_t), 1)
testing.expect_value(t, size_of(c.uint_fast8_t), 1)
testing.expect_value(t, size_of(c.int_fast16_t), 4)
testing.expect_value(t, size_of(c.uint_fast16_t), 4)
testing.expect_value(t, size_of(c.int_fast32_t), 4)
testing.expect_value(t, size_of(c.uint_fast32_t), 4)
}
testing.expect_value(t, size_of(c.int_fast64_t), 8)
testing.expect_value(t, size_of(c.uint_fast64_t), 8)
}