logcat: test White Black list (95cfc7b8) · Commits · e / os / android_system_core

logcat/tests/Android.mk

+5 −1

Original line number	Diff line number	Diff line
		@@ -28,7 +28,11 @@ test_c_flags := \
		-g \
		-Wall -Wextra \
		-Werror \
		-fno-builtin \
		-fno-builtin

		ifneq ($(filter userdebug eng,$(TARGET_BUILD_VARIANT)),)
		test_c_flags += -DUSERDEBUG_BUILD=1
		endif

		test_src_files := \
		logcat_test.cpp \

logcat/tests/logcat_test.cpp

+97 −0

Original line number	Diff line number	Diff line
		@@ -527,3 +527,100 @@ TEST(logcat, blocking_clear) {

		ASSERT_EQ(1, signals);
		}

		#ifdef USERDEBUG_BUILD
		static bool get_white_black(char **list) {
		FILE *fp;

		fp = popen("logcat -p 2>/dev/null", "r");
		if (fp == NULL) {
		fprintf(stderr, "ERROR: logcat -p 2>/dev/null\n");
		return false;
		}

		char buffer[5120];

		while (fgets(buffer, sizeof(buffer), fp)) {
		char hold = list;
		char *buf = buffer;
		while (isspace(*buf)) {
		++buf;
		}
		char *end = buf + strlen(buf);
		while (isspace(*--end) && (end >= buf)) {
		*end = '\0';
		}
		if (end < buf) {
		continue;
		}
		if (hold) {
		asprintf(list, "%s %s", hold, buf);
		free(hold);
		} else {
		asprintf(list, "%s", buf);
		}
		}
		pclose(fp);
		return *list != NULL;
		}

		static bool set_white_black(const char *list) {
		FILE *fp;

		char buffer[5120];

		snprintf(buffer, sizeof(buffer), "logcat -P '%s' 2>&1", list);
		fp = popen(buffer, "r");
		if (fp == NULL) {
		fprintf(stderr, "ERROR: %s\n", buffer);
		return false;
		}

		while (fgets(buffer, sizeof(buffer), fp)) {
		char *buf = buffer;
		while (isspace(*buf)) {
		++buf;
		}
		char *end = buf + strlen(buf);
		while (isspace(*--end) && (end >= buf)) {
		*end = '\0';
		}
		if (end < buf) {
		continue;
		}
		fprintf(stderr, "%s\n", buf);
		pclose(fp);
		return false;
		}
		return pclose(fp) == 0;
		}

		TEST(logcat, white_black_adjust) {
		char *list = NULL;
		char *adjust = NULL;

		ASSERT_EQ(true, get_white_black(&list));

		static const char adjustment[] = "~! ~1000";
		ASSERT_EQ(true, set_white_black(adjustment));
		ASSERT_EQ(true, get_white_black(&adjust));
		if (strcmp(adjustment, adjust)) {
		fprintf(stderr, "ERROR: '%s' != '%s'\n", adjustment, adjust);
		}
		ASSERT_STREQ(adjustment, adjust);
		free(adjust);
		adjust = NULL;

		ASSERT_EQ(true, set_white_black(list));
		ASSERT_EQ(true, get_white_black(&adjust));
		if (strcmp(list, adjust)) {
		fprintf(stderr, "ERROR: '%s' != '%s'\n", list, adjust);
		}
		ASSERT_STREQ(list, adjust);
		free(adjust);
		adjust = NULL;

		free(list);
		list = NULL;
		}
		#endif // USERDEBUG_BUILD