util/m5/src/command/dumpstats.test.cc

/*
 * Copyright 2020 Google Inc.
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 * notice, this list of conditions and the following disclaimer;
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 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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#include <gtest/gtest.h>

#include "args.hh"
#include "command.hh"
#include "dispatch_table.hh"

uint64_t test_ns_delay;
uint64_t test_ns_period;

void
test_m5_dump_stats(uint64_t ns_delay, uint64_t ns_period)
{
    test_ns_delay = ns_delay;
    test_ns_period = ns_period;
}

DispatchTable dt = { .m5_dump_stats = &test_m5_dump_stats };

bool
run(std::initializer_list<std::string> arg_args)
{
    Args args(arg_args);
    return Command::run(dt, args);
}

TEST(Dumpstats, Arguments)
{
    // Called with no arguments.
    test_ns_delay = 50;
    test_ns_period = 40;
    EXPECT_TRUE(run({"dumpstats"}));
    EXPECT_EQ(test_ns_delay, 0);
    EXPECT_EQ(test_ns_period, 0);

    // Called with one argument.
    test_ns_delay = 50;
    test_ns_period = 40;
    EXPECT_TRUE(run({"dumpstats", "10"}));
    EXPECT_EQ(test_ns_delay, 10);
    EXPECT_EQ(test_ns_period, 0);

    // Called with two arguments.
    test_ns_delay = 50;
    test_ns_period = 40;
    EXPECT_TRUE(run({"dumpstats", "10", "20"}));
    EXPECT_EQ(test_ns_delay, 10);
    EXPECT_EQ(test_ns_period, 20);

    // Called with three arguments.
    EXPECT_FALSE(run({"dumpstats", "10", "20", "30"}));
}