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+// SPDX-License-Identifier: GPL-2.0+
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+/*
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+ * Tests for echo command
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+ *
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+ * Copyright 2020, Heinrich Schuchadt <xypron.glpk@gmx.de>
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+ */
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+
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+#include <common.h>
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+#include <command.h>
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+#include <display_options.h>
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+#include <test/lib.h>
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+#include <test/test.h>
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+#include <test/ut.h>
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+
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+DECLARE_GLOBAL_DATA_PTR;
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+
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+struct test_data {
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+ char *cmd;
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+ char *expected;
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+};
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+
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+static struct test_data echo_data[] = {
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+ {"echo 1 2 3",
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+ "1 2 3"},
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+ /* Test new line handling */
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+ {"echo -n 1 2 3; echo a b c",
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+ "1 2 3a b c"},
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+ /*
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+ * Test handling of environment variables.
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+ *
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+ * j, q, x are among the least frequent letters in English.
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+ * Hence no collision for the variable name jQx is expected.
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+ */
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+ {"setenv jQx X; echo \"a)\" ${jQx} 'b)' '${jQx}' c) ${jQx}; setenv jQx",
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+ "a) X b) ${jQx} c) X"},
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+ /* Test handling of shell variables. */
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+ {"setenv jQx; for jQx in 1 2 3; do echo -n \"${jQx}, \"; done; echo;",
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+ "1, 2, 3, "},
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+};
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+
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+static int lib_test_hush_echo(struct unit_test_state *uts)
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+{
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+ int i;
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+
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+ for (i = 0; i < ARRAY_SIZE(echo_data); ++i) {
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+ console_record_reset_enable();
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+ ut_assertok(run_command(echo_data[i].cmd, 0));
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+ gd->flags &= ~GD_FLG_RECORD;
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+ console_record_readline(uts->actual_str,
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+ sizeof(uts->actual_str));
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+ ut_asserteq_str(echo_data[i].expected, uts->actual_str);
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+ ut_assertok(ut_check_console_end(uts));
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+ }
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+ return 0;
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+}
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+
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+LIB_TEST(lib_test_hush_echo, 0);
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