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Don't ResizeCache on sector change if no filename is defined (#1438)

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* Add tests for issue#1426

Signed-off-by: Klaus Kämpf <kkaempf@gmail.com>

* add test without medium

Signed-off-by: Klaus Kämpf <kkaempf@gmail.com>

* Don't resize DiskCache without a file

DiskCache computes its size from a file.
Skip ResizeCache Without file (i.e. 'empty' CD)

Fixes #1426

Signed-off-by: Klaus Kämpf <kkaempf@gmail.com>
This commit is contained in:
Klaus Kämpf
2024-02-27 03:20:22 +01:00
committed by GitHub
parent 24372ba939
commit dd9a3296d4
2 changed files with 31 additions and 2 deletions
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cpp/test/scsicd_test.cpp
+26 -1
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@@ -137,9 +137,11 @@ TEST(ScsiCdTest, ReadToc)
TEST(ScsiCdTest, ModeSelect)
{
MockSCSICD cd(0);
MockSCSICD cd1(0);
vector<int> cmd(6);
vector<uint8_t> buf(255);
// dummy file for DiskCache resize after sector size change
path filename = CreateTempFile(2* 2048);
cd.SetFilename(string(filename));
cd.Open();
@@ -157,7 +159,30 @@ TEST(ScsiCdTest, ModeSelect)
buf[12] = 0x01;
EXPECT_NO_THROW(cd.ModeSelect(scsi_command::eCmdModeSelect6, cmd, buf, 255)) << "MODE SELECT(6) with sector size 2048 is supported";
// 512 bytes per sector
// 512 bytes per sector - ModeSelect6
buf[10] = 0x02;
EXPECT_NO_THROW(cd.ModeSelect(scsi_command::eCmdModeSelect6, cmd, buf, 255)) << "MODE SELECT(6) with sector size 512 is supported";
// 2048 bytes per sector - ModeSelect6
buf[10] = 0x08;
EXPECT_NO_THROW(cd.ModeSelect(scsi_command::eCmdModeSelect6, cmd, buf, 255)) << "MODE SELECT(6) with sector size 2048 is supported";
// 512 bytes per sector - ModeSelect10
buf[10] = 0x02;
EXPECT_NO_THROW(cd.ModeSelect(scsi_command::eCmdModeSelect10, cmd, buf, 255)) << "MODE SELECT(10) with sector size 512 is supported";
// unsupported sector size - ModeSelect6
buf[10] = 0x04;
EXPECT_THROW(cd.ModeSelect(scsi_command::eCmdModeSelect6, cmd, buf, 255), io_exception) << "MODE SELECT(6) with sector size 1024 is unsupported";
// sector size not multiple of 512 - ModeSelect6
buf[10] = 0x03;
EXPECT_THROW(cd.ModeSelect(scsi_command::eCmdModeSelect6, cmd, buf, 255), io_exception) << "MODE SELECT(6) with sector size 768 is unsupported";
// cd1 has no dummy file attached, simulating an empty CD drive
cd1.SetSectorSizeInBytes(2048);
// 512 bytes per sector - ModeSelect6
buf[10] = 0x02;
EXPECT_NO_THROW(cd1.ModeSelect(scsi_command::eCmdModeSelect6, cmd, buf, 255)) << "MODE SELECT(6), emtpy drive, with sector size 512 is supported";
}