1import os
2
3import infra.basetest
4
5
6class TestLtrace(infra.basetest.BRTest):
7    config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
8        """
9        BR2_PACKAGE_LTRACE=y
10        BR2_TARGET_ROOTFS_CPIO=y
11        # BR2_TARGET_ROOTFS_TAR is not set
12        """
13
14    def test_run(self):
15        cpio_file = os.path.join(self.builddir, "images", "rootfs.cpio")
16        self.emulator.boot(arch="armv5",
17                           kernel="builtin",
18                           options=["-initrd", cpio_file])
19        self.emulator.login()
20
21        # Check the program can execute
22        self.assertRunOk("ltrace --version")
23
24        # Run ltrace on a ls
25        cmd = "ltrace -a 0 -o ltrace.log ls /"
26        self.assertRunOk(cmd)
27
28        # Check the ltrace log contains occurrences of libc malloc()
29        cmd = "grep -Ec 'malloc\\([0-9]+\\)' ltrace.log"
30        out, ret = self.emulator.run(cmd)
31        self.assertEqual(ret, 0)
32        self.assertGreater(int(out[0]), 0)
33