+ strcpy(buf, CONSOLE_STR);
+ ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
+ ut_asserteq_str(CONSOLE_STR, buf);
+
+ ut_assertok(env_set("silent_linux", "no"));
+ ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
+ ut_asserteq_str(CONSOLE_STR, buf);
+
+ ut_assertok(env_set("silent_linux", "yes"));
+ ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
+ ut_asserteq_str("console=", buf);
+
+ /* Empty buffer should still add the string */
+ *buf = '\0';
+ ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
+ ut_asserteq_str("console=", buf);
+
+ /* Check nothing happens when do_silent is false */
+ *buf = '\0';
+ ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, 0));
+ ut_asserteq_str("", buf);
+
+ /* Not enough space */
+ *buf = '\0';
+ ut_asserteq(-ENOSPC, bootm_process_cmdline(buf, 8, BOOTM_CL_SILENT));
+
+ /* Just enough space */
+ *buf = '\0';
+ ut_assertok(bootm_process_cmdline(buf, 9, BOOTM_CL_SILENT));
+
+ /* add at end */
+ strcpy(buf, "something");
+ ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
+ ut_asserteq_str("something console=", buf);
+
+ /* change at start */
+ strcpy(buf, CONSOLE_STR " something");
+ ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
+ ut_asserteq_str("console= something", buf);
+
+ return 0;
+}
+BOOTM_TEST(bootm_test_silent, 0);
+
+/* Test substitution processing */
+static int bootm_test_subst(struct unit_test_state *uts)
+{
+ char buf[BUF_SIZE];
+
+ /* try with an unset variable */
+ ut_assertok(env_set("var", NULL));
+ strcpy(buf, "some${var}thing");
+ ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
+ ut_asserteq_str("something", buf);
+
+ /* Replace with shorter string */
+ ut_assertok(env_set("var", "bb"));
+ strcpy(buf, "some${var}thing");
+ ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
+ ut_asserteq_str("somebbthing", buf);
+
+ /* Replace with same-length string */
+ ut_assertok(env_set("var", "abc"));
+ strcpy(buf, "some${var}thing");
+ ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
+ ut_asserteq_str("someabcthing", buf);
+
+ /* Replace with longer string */
+ ut_assertok(env_set("var", "abcde"));
+ strcpy(buf, "some${var}thing");
+ ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
+ ut_asserteq_str("someabcdething", buf);
+
+ /* Check it is case sensitive */
+ ut_assertok(env_set("VAR", NULL));
+ strcpy(buf, "some${VAR}thing");
+ ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
+ ut_asserteq_str("something", buf);
+
+ /* Check too long - need 12 bytes for each string */
+ strcpy(buf, "some${var}thing");
+ ut_asserteq(-ENOSPC,
+ bootm_process_cmdline(buf, 12 * 2 - 1, BOOTM_CL_SUBST));
+
+ /* Check just enough space */
+ strcpy(buf, "some${var}thing");
+ ut_assertok(bootm_process_cmdline(buf, 16 * 2, BOOTM_CL_SUBST));
+ ut_asserteq_str("someabcdething", buf);
+
+ /*
+ * Check the substition string being too long. This results in a string
+ * of 12 (13 bytes). We need enough space for that plus the original
+ * "a${var}c" string of 9 bytes. So 12 + 9 = 21 bytes.
+ */
+ ut_assertok(env_set("var", "1234567890"));
+ strcpy(buf, "a${var}c");
+ ut_asserteq(-ENOSPC, bootm_process_cmdline(buf, 21, BOOTM_CL_SUBST));