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rust: provide examples for C library generation in rust

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rust-c-lib-example is a little rust code which provide
a single function to print a formatted date (via the chrono crate)
from an input timestamp in millisecond. It has the necessary FFI
annotation and inherit cargo_c class for the C ABI compatible
library generation.

rust-c-lib-example is meson project for the C code which
will call the print_date function from rust-c-lib-example
if no argument is provided, if any argument is provided
it will print "Hello world in rust from C!"

add a runtime test case to check if all went well.

(From OE-Core rev: bb177c7764b1bc47157d57d7a34930e59a7acef3)

Signed-off-by: Frederic Martinsons <frederic.martinsons@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Frederic Martinsons
2023-08-17 07:04:15 +02:00
committed by Richard Purdie
parent c318d1914e
commit 5116f2b2cf
4 changed files with 122 additions and 0 deletions
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meta/lib/oeqa/runtime/cases/rust.py
+12
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@@ -48,3 +48,15 @@ class RustCompileTest(OERuntimeTestCase):
status, output = self.target.run('cargo run --manifest-path=/tmp/hello/Cargo.toml')
msg = 'running compiled file failed, output: %s' % output
self.assertEqual(status, 0, msg=msg)
class RustCLibExampleTest(OERuntimeTestCase):
@OETestDepends(['ssh.SSHTest.test_ssh'])
@OEHasPackage('rust-c-lib-example-bin')
def test_rust_c_lib_example(self):
cmd = "rust-c-lib-example-bin test"
status, output = self.target.run(cmd)
msg = 'Exit status was not 0. Output: %s' % output
self.assertEqual(status, 0, msg=msg)
msg = 'Incorrect output: %s' % output
self.assertEqual(output, "Hello world in rust from C!", msg=msg)