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30 lines
872 B
C++
30 lines
872 B
C++
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#include "gtest/gtest.h"
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#include "libipc/shm.h"
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TEST(shm, create_close) {
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EXPECT_FALSE(ipc::shm_open("hello-ipc-shm", 1024, ipc::mode::none));
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auto shm1 = ipc::shm_open("hello-ipc-shm", 1024, ipc::mode::create | ipc::mode::open);
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EXPECT_TRUE(shm1);
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EXPECT_FALSE(ipc::shm_open("hello-ipc-shm", 1024, ipc::mode::create));
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auto pt1 = ipc::shm_get(*shm1);
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EXPECT_TRUE(ipc::shm_size(*shm1) >= 1024);
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EXPECT_NE(pt1, nullptr);
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*(int *)pt1 = 0;
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auto shm2 = ipc::shm_open(ipc::shm_file(*shm1), 0, ipc::mode::open);
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EXPECT_TRUE(shm2);
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EXPECT_EQ(ipc::shm_size(*shm1), ipc::shm_size(*shm2));
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auto pt2 = ipc::shm_get(*shm1);
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EXPECT_NE(pt2, nullptr);
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EXPECT_EQ(*(int *)pt2, 0);
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*(int *)pt1 = 1234;
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EXPECT_EQ(*(int *)pt2, 1234);
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EXPECT_TRUE(ipc::shm_close(*shm2));
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EXPECT_TRUE(ipc::shm_close(*shm1));
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EXPECT_FALSE(ipc::shm_close(nullptr));
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} |