--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Tests for print functions
+ *
+ * Copyright 2020, Heinrich Schuchadt <xypron.glpk@gmx.de>
+ */
+
+#include <common.h>
+#include <command.h>
+#include <display_options.h>
+#include <test/lib.h>
+#include <test/test.h>
+#include <test/ut.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int test_print_freq(struct unit_test_state *uts,
+ uint64_t freq, char *expected)
+{
+ console_record_reset_enable();
+ print_freq(freq, ";\n");
+ gd->flags &= ~GD_FLG_RECORD;
+ console_record_readline(uts->actual_str, sizeof(uts->actual_str));
+ ut_asserteq_str(expected, uts->actual_str);
+ ut_assertok(ut_check_console_end(uts));
+ return 0;
+}
+
+static int lib_test_print_freq(struct unit_test_state *uts)
+{
+ ut_assertok(test_print_freq(uts, 321, "321 Hz;"));
+ ut_assertok(test_print_freq(uts, 4321, "4.32 kHz;"));
+ ut_assertok(test_print_freq(uts, 54321, "54.32 kHz;"));
+ ut_assertok(test_print_freq(uts, 654321, "654.32 kHz;"));
+ ut_assertok(test_print_freq(uts, 7654321, "7.66 MHz;"));
+ ut_assertok(test_print_freq(uts, 87654321, "87.66 MHz;"));
+ ut_assertok(test_print_freq(uts, 987654321, "987.66 MHz;"));
+ ut_assertok(test_print_freq(uts, 1987654321, "1.99 GHz;"));
+ ut_assertok(test_print_freq(uts, 54321987654321, "54321.99 GHz;"));
+ return 0;
+}
+
+LIB_TEST(lib_test_print_freq, 0);
+
+static int test_print_size(struct unit_test_state *uts,
+ uint64_t freq, char *expected)
+{
+ console_record_reset_enable();
+ print_size(freq, ";\n");
+ gd->flags &= ~GD_FLG_RECORD;
+ console_record_readline(uts->actual_str, sizeof(uts->actual_str));
+ ut_asserteq_str(expected, uts->actual_str);
+ ut_assertok(ut_check_console_end(uts));
+ return 0;
+}
+
+static int lib_test_print_size(struct unit_test_state *uts)
+{
+ ut_assertok(test_print_size(uts, 321, "321 Bytes;"));
+ ut_assertok(test_print_size(uts, 4321, "4.2 KiB;"));
+ ut_assertok(test_print_size(uts, 54321, "53 KiB;"));
+ ut_assertok(test_print_size(uts, 654321, "639 KiB;"));
+ ut_assertok(test_print_size(uts, 7654321, "7.3 MiB;"));
+ ut_assertok(test_print_size(uts, 87654321, "83.6 MiB;"));
+ ut_assertok(test_print_size(uts, 987654321, "941.9 MiB;"));
+ ut_assertok(test_print_size(uts, 1987654321, "1.9 GiB;"));
+ ut_assertok(test_print_size(uts, 54321987654321, "49.4 TiB;"));
+ return 0;
+}
+
+LIB_TEST(lib_test_print_size, 0);