38     int priority = getpriority(PRIO_PROCESS, INIT_PROCESS_ID);  variable
39     EXPECT_EQ(priority, DEFAULT_INIT_PROCESS_PRIORITY) << "check 'init' priority failed.";
40     priority = getpriority(PRIO_PROCESS, KERNEL_PROCESS_ID);
41     EXPECT_EQ(priority, DEFAULT_KERNEL_PROCESS_PRIORITY) << "check 'KProcess' priority failed.";
53     int priority = getpriority(PRIO_PGRP, 0);  variable
54     EXPECT_EQ(priority, -1);
57     priority = getpriority(PRIO_USER, 0);
58     EXPECT_EQ(priority, -1);
69     int priority;  variable
73     priority = getpriority(PRIO_USER + GetRandom(1000), 0);
74     EXPECT_EQ(priority, -1);
77     priority = getpriority(-GetRandom(1000), 0);
78     EXPECT_EQ(priority, -1);
89     int priority;  variable
92     priority = getpriority(PRIO_PROCESS, -1);
93     EXPECT_EQ(priority, -1);
96     priority = getpriority(PRIO_PROCESS, MAX_PROCESS_NUMBER + 1);
97     EXPECT_EQ(priority, -1);
100     priority = getpriority(PRIO_PROCESS, MAX_PROCESS_NUMBER + GetRandom(100000));
101     EXPECT_EQ(priority, -1);
112     int priority;  variable
117         priority = getpriority(PRIO_PROCESS, nonExitPid);
118         EXPECT_EQ(priority, -1);