Remove unstable use cases

Change-Id: Iecfb9428e87a25eda5f55fa4b250c66fecaf9002

kernel_lite/mem_posix/src/MmapApiTest.cpp

@@ -930,128 +930,6 @@ HWTEST_F(MmapApiTest, testMmapENOMEM, Function | MediumTest | Level3)
     }
 }
 
-/**
- * @tc.number SUB_KERNEL_MEM_MMAP_2100
- * @tc.name   mmap function overlay region and fix map test
- * @tc.desc   [C-L*-311] MUST NOT alter NDK API behavior.
- */
-HWTEST_F(MmapApiTest, testMmapOverlayWithFixedFlag, Function | MediumTest | Level3)
-{
-    size_t len = 0x00200000;
-    int flag = MAP_ANON | MAP_SHARED | MAP_FIXED;
-
-    char *mem = (char *)mmap(nullptr, len, PROT_READ | PROT_WRITE, MAP_ANON | MAP_SHARED, -1, 0);
-    LOG("mem = %p, mem + len = %p", mem, mem + len);
-    ASSERT_TRUE(mem != MAP_FAILED) << "mem == MAP_FAILED";
-
-    char *getAddr = mem + 0x00100000;
-    char *newAddr = (char *)mmap((void *)getAddr, len, PROT_READ | PROT_WRITE, MAP_ANON | MAP_SHARED, -1, 0);
-    LOG("getAddr = %p, newAddr = %p, newAddr + len = %p", getAddr, newAddr, newAddr + len);
-    EXPECT_TRUE(newAddr != MAP_FAILED && newAddr != getAddr) << "mem == MAP_FAILED or newAddr == getAddr";
-
-    char *fixAddr = (char *)mmap((void *)getAddr, len, PROT_READ | PROT_WRITE, flag, -1, 0);
-    LOG("getAddr = %p, fixAddr = %p, fixAddr + len = %p", getAddr, fixAddr, fixAddr + len);
-    EXPECT_TRUE(fixAddr == getAddr) << "fixAddr != mem";
-
-    if (fixAddr != MAP_FAILED) {
-        EXPECT_TRUE(munmap(fixAddr, len) == 0) << "ERROR: munmap() != 0";
-    }
-
-    if (newAddr != MAP_FAILED) {
-        EXPECT_TRUE(munmap(newAddr, len) == 0) << "ERROR: munmap() != 0";
-    }
-
-    if (mem != MAP_FAILED) {
-        EXPECT_TRUE(munmap(mem, len) == 0) << "ERROR: munmap() != 0";
-    }
-}
-
-/**
- * @tc.number SUB_KERNEL_MEM_MMAP_2200
- * @tc.name   mmap function anonymous private and file private map with MAP_FIXED flag test
- * @tc.desc   [C-L*-311] MUST NOT alter NDK API behavior.
- */
-HWTEST_F(MmapApiTest, testMmapPrivateWithFixedFlag, Function | MediumTest | Level2)
-{
-    size_t len = PAGE_SIZE;
-    unsigned long fixAddr = 0x24000000UL;
-    int flag = MAP_ANON | MAP_PRIVATE | MAP_FIXED;
-
-    char *mem = (char *)mmap((void *)fixAddr, len, PROT_READ | PROT_WRITE, flag, -1, 0);
-    LOG("mem = %p, mem + len = %p", mem, mem + len);
-    ASSERT_TRUE(mem != MAP_FAILED) << "mem == MAP_FAILED";
-    /* read and write test */
-    mem[0] = 0x30;
-    mem[4] = mem[0];
-    EXPECT_TRUE(munmap(mem, len) == 0) << "ERROR: munmap() != 0";
-
-    /* mmap file map with MAP_FIXED flag test */
-    char buf[PAGE_SIZE] = {0};
-    char file[] = MMAP_TESTFILE;
-
-    int fd = open(file, O_CREAT | O_RDWR, S_IRWXU | S_IRWXG | S_IRWXO);
-    ASSERT_TRUE(fd != -1) << "ERROR: open() == -1";
-    int wByte = write(fd, buf, len);
-    EXPECT_TRUE(wByte > 0) << "ERROR: write() <= 0";
-
-    fixAddr = 0x26000000UL;
-    mem = (char *)mmap((void *)fixAddr, len, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_FIXED, fd, 0);
-    LOG("mem = %p, mem + len = %p", mem, mem + len);
-    ASSERT_TRUE(mem != MAP_FAILED) << "mem == MAP_FAILED";
-
-    /* read and write test */
-    mem[128] = 0x36;
-    mem[256] = mem[128];
-    EXPECT_TRUE(munmap(mem, len) == 0) << "ERROR: munmap() != 0";
-    EXPECT_TRUE(close(fd) != -1) << "ERROR: close() == -1";
-    EXPECT_TRUE(remove(file) == 0) << "ERROR: remove() != 0";
-}
-
-/**
- * @tc.number SUB_KERNEL_MEM_MMAP_2300
- * @tc.name   mmap function file share map with MAP_FIXED flag test
- * @tc.desc   [C-L*-311] MUST NOT alter NDK API behavior.
- */
-HWTEST_F(MmapApiTest, testMmapShareWithFixedFlag, Function | MediumTest | Level2)
-{
-    const size_t len = PAGE_SIZE;
-    char testChar = 'A';
-    int prot = PROT_READ | PROT_WRITE;
-    int flags = MAP_SHARED | MAP_FIXED;
-    char buf[PAGE_SIZE] = {0};
-    unsigned long fixAddr = 0x24000000UL;
-    char file[] = MMAP_TESTFILE;
-
-    int fd = open(file, O_CREAT | O_RDWR, S_IRWXU | S_IRWXG | S_IRWXO);
-    ASSERT_TRUE(fd != -1) << "ERROR: open() == -1";
-
-    int wByte = write(fd, buf, len);
-    EXPECT_TRUE(wByte > 0) << "ERROR: write() <= 0";
-
-    char *mem = (char *)mmap((void *)fixAddr, len, prot, flags, fd, 0);
-    ASSERT_TRUE(mem != MAP_FAILED) << "mem == MAP_FAILED";
-
-    pid_t pid = fork();
-    EXPECT_TRUE(pid >= 0) << "Fork Error";
-
-    if (pid == 0) {
-        mem[0] = testChar;
-        mem[1] = testChar + 3;
-        exit(0);
-    } else {
-        WaitProcExitedOK(pid);
-
-        LOG("mem[0] = %c (0x%02x)", mem[0], mem[0]);
-        LOG("mem[1] = %c (0x%02x)", mem[1], mem[1]);
-
-        EXPECT_TRUE(mem[0] == testChar) << "mem[0] = " << mem[0];
-        EXPECT_TRUE(mem[1] == (testChar + 3)) << "mem[1] = " << mem[1];
-        EXPECT_TRUE(munmap(mem, len) == 0) << "ERROR: munmap() != 0";
-
-        EXPECT_TRUE(close(fd) != -1) << "ERROR: close() == -1";
-        EXPECT_TRUE(remove(file) == 0) << "ERROR: remove() != 0";
-    }
-}
 
 /**
  * @tc.number SUB_KERNEL_MEM_MUNMAP_0100