support/testing: add coremark test

Signed-off-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

DEVELOPERS

@@ -1763,6 +1763,7 @@ F:	support/testing/tests/package/test_bc.py
 F:	support/testing/tests/package/test_brotli.py
 F:	support/testing/tests/package/test_bzip2.py
 F:	support/testing/tests/package/test_compressor_base.py
+F:	support/testing/tests/package/test_coremark.py
 F:	support/testing/tests/package/test_ddrescue.py
 F:	support/testing/tests/package/test_ddrescue/
 F:	support/testing/tests/package/test_dos2unix.py

support/testing/tests/package/test_coremark.py

@@ -0,0 +1,33 @@
+import os
+
+import infra.basetest
+
+
+class TestCoreMark(infra.basetest.BRTest):
+    config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
+        """
+        BR2_PACKAGE_COREMARK=y
+        BR2_TARGET_ROOTFS_CPIO=y
+        # BR2_TARGET_ROOTFS_TAR is not set
+        """
+
+    def test_run(self):
+        cpio_file = os.path.join(self.builddir, "images", "rootfs.cpio")
+        self.emulator.boot(arch="armv5",
+                           kernel="builtin",
+                           options=["-initrd", cpio_file])
+        self.emulator.login()
+
+        log_file = "run1.log"
+
+        # Run a CoreMark benchmark.
+        self.assertRunOk(f"coremark > {log_file}", timeout=60)
+
+        # Print the log file on console, for debugging.
+        self.assertRunOk(f"cat {log_file}")
+
+        # The "coremark" program return code is always 0 (success).
+        # So the correct execution is validated from the run log.
+        valid_msg = "Correct operation validated."
+        cmd = f"grep -F '{valid_msg}' {log_file}"
+        self.assertRunOk(cmd)