Method testReadFails

core/src/test/java/io/questdb/test/FilesTest.java:993–1024

()

    }

    @Test
    public void testReadFails() throws Exception {
        assertMemoryLeak(() -> {
            File temp = temporaryFolder.newFile();

            try (Path path = new Path().of(temp.getAbsolutePath())) {
                long fd1 = Files.openRW(path.$());
                long fileSize = 4096;
                long mem = Unsafe.malloc(fileSize, MemoryTag.NATIVE_DEFAULT);

                long testValue = 0x1234567890ABCDEFL;
                Unsafe.putLong(mem, testValue);

                try {
                    Files.truncate(fd1, fileSize);

                    Assert.assertEquals(8L, Files.read(fd1, mem, 8L, 0));
                    Assert.assertTrue(Files.read(fd1, mem, fileSize, -1) < 0);
                    Assert.assertEquals(0, Files.read(fd1, mem, fileSize, fileSize));
                    Assert.assertEquals(0, Files.read(fd1, mem, fileSize + 8, fileSize));

                } finally {
                    // Release mem, fd
                    Files.close(fd1);
                    Unsafe.free(mem, fileSize, MemoryTag.NATIVE_DEFAULT);

                    // Delete files
                    TestUtils.remove(path.$());
                }
            }
        });
    }

    @Test
    public void testReadOver2GB() throws Exception {