RASCSI/cpp/test/bus_test.cpp

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//---------------------------------------------------------------------------
//
// SCSI Target Emulator PiSCSI
// for Raspberry Pi
//
// Copyright (C) 2022 Uwe Seimet
//
//---------------------------------------------------------------------------
#include "hal/bus.h"
#include "mocks.h"
TEST(BusTest, GetCommandByteCount)
{
EXPECT_EQ(41, scsi_defs::command_mapping.size());
EXPECT_EQ(6, BUS::GetCommandByteCount(0x00));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x01));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x03));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x04));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x07));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x08));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x09));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x0a));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x0b));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x0c));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x0d));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x0e));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x10));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x12));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x15));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x16));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x17));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x1a));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x1b));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x1d));
EXPECT_EQ(6, BUS::GetCommandByteCount(0x1e));
EXPECT_EQ(10, BUS::GetCommandByteCount(0x25));
EXPECT_EQ(10, BUS::GetCommandByteCount(0x28));
EXPECT_EQ(10, BUS::GetCommandByteCount(0x2a));
EXPECT_EQ(10, BUS::GetCommandByteCount(0x2b));
EXPECT_EQ(10, BUS::GetCommandByteCount(0x2f));
EXPECT_EQ(10, BUS::GetCommandByteCount(0x35));
EXPECT_EQ(10, BUS::GetCommandByteCount(0x37));
EXPECT_EQ(10, BUS::GetCommandByteCount(0x3e));
EXPECT_EQ(10, BUS::GetCommandByteCount(0x3f));
EXPECT_EQ(10, BUS::GetCommandByteCount(0x43));
EXPECT_EQ(10, BUS::GetCommandByteCount(0x4a));
EXPECT_EQ(10, BUS::GetCommandByteCount(0x55));
EXPECT_EQ(10, BUS::GetCommandByteCount(0x5a));
EXPECT_EQ(12, BUS::GetCommandByteCount(0xa0));
EXPECT_EQ(16, BUS::GetCommandByteCount(0x88));
EXPECT_EQ(16, BUS::GetCommandByteCount(0x8a));
EXPECT_EQ(16, BUS::GetCommandByteCount(0x8f));
EXPECT_EQ(16, BUS::GetCommandByteCount(0x91));
EXPECT_EQ(16, BUS::GetCommandByteCount(0x9e));
EXPECT_EQ(16, BUS::GetCommandByteCount(0x9f));
EXPECT_EQ(0, BUS::GetCommandByteCount(0x1f));
}
TEST(BusTest, GetPhase)
{
EXPECT_EQ(phase_t::dataout, BUS::GetPhase(0b000));
EXPECT_EQ(phase_t::datain, BUS::GetPhase(0b001));
EXPECT_EQ(phase_t::command, BUS::GetPhase(0b010));
EXPECT_EQ(phase_t::status, BUS::GetPhase(0b011));
EXPECT_EQ(phase_t::reserved, BUS::GetPhase(0b100));
EXPECT_EQ(phase_t::reserved, BUS::GetPhase(0b101));
EXPECT_EQ(phase_t::msgout, BUS::GetPhase(0b110));
EXPECT_EQ(phase_t::msgin, BUS::GetPhase(0b111));
NiceMock<MockBus> bus;
EXPECT_EQ(phase_t::busfree, bus.GetPhase());
ON_CALL(bus, GetSEL()).WillByDefault(Return(true));
EXPECT_EQ(phase_t::selection, bus.GetPhase());
ON_CALL(bus, GetSEL()).WillByDefault(Return(false));
ON_CALL(bus, GetBSY()).WillByDefault(Return(true));
ON_CALL(bus, GetMSG()).WillByDefault(Return(false));
EXPECT_EQ(phase_t::dataout, bus.GetPhase());
ON_CALL(bus, GetMSG()).WillByDefault(Return(true));
EXPECT_EQ(phase_t::reserved, bus.GetPhase());
ON_CALL(bus, GetMSG()).WillByDefault(Return(false));
ON_CALL(bus, GetCD()).WillByDefault(Return(true));
EXPECT_EQ(phase_t::command, bus.GetPhase());
ON_CALL(bus, GetMSG()).WillByDefault(Return(true));
ON_CALL(bus, GetCD()).WillByDefault(Return(true));
EXPECT_EQ(phase_t::msgout, bus.GetPhase());
ON_CALL(bus, GetMSG()).WillByDefault(Return(false));
ON_CALL(bus, GetCD()).WillByDefault(Return(false));
ON_CALL(bus, GetIO()).WillByDefault(Return(true));
EXPECT_EQ(phase_t::datain, bus.GetPhase());
ON_CALL(bus, GetMSG()).WillByDefault(Return(true));
ON_CALL(bus, GetCD()).WillByDefault(Return(false));
ON_CALL(bus, GetIO()).WillByDefault(Return(true));
EXPECT_EQ(phase_t::reserved, bus.GetPhase());
ON_CALL(bus, GetMSG()).WillByDefault(Return(true));
ON_CALL(bus, GetCD()).WillByDefault(Return(true));
ON_CALL(bus, GetIO()).WillByDefault(Return(true));
EXPECT_EQ(phase_t::msgin, bus.GetPhase());
ON_CALL(bus, GetMSG()).WillByDefault(Return(false));
ON_CALL(bus, GetCD()).WillByDefault(Return(true));
ON_CALL(bus, GetIO()).WillByDefault(Return(true));
EXPECT_EQ(phase_t::status, bus.GetPhase());
}
TEST(BusTest, GetPhaseStrRaw)
{
EXPECT_STREQ("busfree", BUS::GetPhaseStrRaw(phase_t::busfree));
EXPECT_STREQ("arbitration", BUS::GetPhaseStrRaw(phase_t::arbitration));
EXPECT_STREQ("selection", BUS::GetPhaseStrRaw(phase_t::selection));
EXPECT_STREQ("reselection", BUS::GetPhaseStrRaw(phase_t::reselection));
EXPECT_STREQ("command", BUS::GetPhaseStrRaw(phase_t::command));
EXPECT_STREQ("datain", BUS::GetPhaseStrRaw(phase_t::datain));
EXPECT_STREQ("dataout", BUS::GetPhaseStrRaw(phase_t::dataout));
EXPECT_STREQ("status", BUS::GetPhaseStrRaw(phase_t::status));
EXPECT_STREQ("msgin", BUS::GetPhaseStrRaw(phase_t::msgin));
EXPECT_STREQ("msgout", BUS::GetPhaseStrRaw(phase_t::msgout));
EXPECT_STREQ("reserved", BUS::GetPhaseStrRaw(phase_t::reserved));
}