mirror of https://github.com/gnss-sdr/gnss-sdr
79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
// SPDX-FileCopyrightText: 2022 IBM
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// SPDX-License-Identifier: Apache-2.0
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#include "cpuinfo_s390x.h"
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#include "filesystem_for_testing.h"
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#include "gtest/gtest.h"
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#include "hwcaps_for_testing.h"
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namespace cpu_features
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{
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namespace
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{
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TEST(CpustringsS390XTest, S390XFeaturesEnum)
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{
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const char* last_name = GetS390XFeaturesEnumName(S390X_LAST_);
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EXPECT_STREQ(last_name, "unknown_feature");
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for (int i = static_cast<int>(S390_ZARCH); i != static_cast<int>(S390X_LAST_); ++i)
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{
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const auto feature = static_cast<S390XFeaturesEnum>(i);
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const char* name = GetS390XFeaturesEnumName(feature);
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ASSERT_FALSE(name == nullptr);
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EXPECT_STRNE(name, "");
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EXPECT_STRNE(name, last_name);
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}
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}
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TEST(CpustringsS390XTest, FromHardwareCap)
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{
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ResetHwcaps();
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SetHardwareCapabilities(HWCAP_S390_ESAN3 | HWCAP_S390_HPAGE |
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HWCAP_S390_NNPA | HWCAP_S390_SIE,
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0);
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GetEmptyFilesystem(); // disabling /proc/cpuinfo
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const auto info = GetS390XInfo();
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EXPECT_TRUE(info.features.esan3);
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EXPECT_TRUE(info.features.edat);
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EXPECT_TRUE(info.features.nnpa);
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EXPECT_TRUE(info.features.sie);
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EXPECT_FALSE(info.features.msa);
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EXPECT_FALSE(info.features.stfle);
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EXPECT_FALSE(info.features.vxp2);
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EXPECT_FALSE(info.features.pcimio);
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}
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TEST(CpustringsS390XTest, z16)
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{
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ResetHwcaps();
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auto& fs = GetEmptyFilesystem();
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fs.CreateFile("/proc/cpuinfo",
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R"(vendor_id : IBM/S390
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# processors : 24
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bogomips per cpu: 26315.00
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max thread id : 1
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features : esan3 zarch stfle msa ldisp eimm dfp edat etf3eh highgprs te vx vxd vxe gs vxe2 vxp sort dflt vxp2 nnpa pcimio sie )");
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SetPlatformPointer("z16");
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const auto strings = GetS390XPlatformStrings();
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EXPECT_EQ(strings.num_processors, 24);
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ASSERT_STREQ(strings.type.platform, "z16");
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}
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TEST(CpustringsS390XTest, z15)
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{
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ResetHwcaps();
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auto& fs = GetEmptyFilesystem();
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fs.CreateFile("/proc/cpuinfo",
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R"(vendor_id : IBM/S390
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# processors : 2
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bogomips per cpu: 24038.00
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max thread id : 1
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features : esan3 zarch stfle msa ldisp eimm dfp edat etf3eh highgprs te vx vxd vxe gs vxe2 vxp sort dflt sie)");
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SetPlatformPointer("z15");
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const auto strings = GetS390XPlatformStrings();
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EXPECT_EQ(strings.num_processors, 2);
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ASSERT_STREQ(strings.type.platform, "z15");
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}
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} // namespace
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} // namespace cpu_features
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