private void checkGah(JsonNode diff) {
JsonNode name_wrapper = diff.get("name");
ArrayNode name_timestamp = (ArrayNode) name_wrapper.get("shmem_timestamp");
int[] temp = {2, 2, 0, 0};
assertEquals(VectorTimestamp.CompareWithSerializedTS(temp, name_timestamp), Comparison.EQ);
JsonNode second = name_wrapper.get("value");
JsonNode second_wrapper = second.get("second");
ArrayNode second_timestamp = (ArrayNode) second_wrapper.get("shmem_timestamp");
assertEquals(VectorTimestamp.CompareWithSerializedTS(temp, second_timestamp), Comparison.EQ);
JsonNode gah = second_wrapper.get("value");
JsonNode gah_wrapper = gah.get("gah");
ArrayNode gah_timestamp = (ArrayNode) gah_wrapper.get("shmem_timestamp");
assertEquals(VectorTimestamp.CompareWithSerializedTS(temp, gah_timestamp), Comparison.EQ);
String blah_string = gah_wrapper.get("value").getTextValue();
assertEquals(blah_string.equals("blah"), true);
}
private void checkWatson(JsonNode diff) {
JsonNode name_wrapper = diff.get("name");
JsonNode cs_wrapper = name_wrapper.get("value").get("CS");
ArrayNode cs_timestamp = (ArrayNode) cs_wrapper.get("shmem_timestamp");
int[] temp = {2, 0, 0, 0};
assertEquals(VectorTimestamp.CompareWithSerializedTS(temp, cs_timestamp), Comparison.EQ);
assertEquals(cs_wrapper.get("value").getTextValue().equals("Watson"), true);
}
private void checkYale(JsonNode diff) {
JsonNode name_wrapper = diff.get("name");
JsonNode yale_wrapper = name_wrapper.get("value").get("Yale");
ArrayNode yale_timestamp = (ArrayNode) yale_wrapper.get("shmem_timestamp");
int[] temp = {1, 0, 0, 0};
assertEquals(VectorTimestamp.CompareWithSerializedTS(temp, yale_timestamp), Comparison.EQ);
String yale_value = yale_wrapper.get("value").getTextValue();
assertEquals(yale_value.equals("University"), true);
}
private void standardInit() {
ShMem.InitTest(0);
ShMem.Start();
ShMemObject first_obj = new ShMemObject();
first_obj.put("Yale", "University");
ShMem.s_state.put("name", first_obj);
VectorTimestamp.IncrementLocal(ShMemObject.s_now);
first_obj.put("CS", "Watson");
ShMemObject.s_now[0] = 2;
ShMemObject.s_now[1] = 2;
ShMemObject second_obj = new ShMemObject();
second_obj.put("gah", "blah");
first_obj.put("second", second_obj);
}
@org.junit.Test
public void testPutGet() {
ShMem.InitTest(0);
ShMem.Start();
int[] temp = {1, 0, 0, 0};
assertEquals(VectorTimestamp.Compare(ShMemObject.s_now, temp), Comparison.EQ);
ShMemObject first_obj = new ShMemObject();
first_obj.put("Yale", "University");
ShMem.s_state.put("name", first_obj);
ShMemObject temp_obj = (ShMemObject) ShMem.s_state.get("name");
assertEquals(first_obj, temp_obj);
assertEquals(temp_obj.get("Yale").getTextValue().equals("University"), true);
VectorTimestamp.IncrementLocal(ShMemObject.s_now);
temp[0] = 2;
assertEquals(VectorTimestamp.Compare(ShMemObject.s_now, temp), Comparison.EQ);
temp[0] = 1;
temp[1] = 0;
temp[2] = 0;
temp[3] = 0;
first_obj.put("CS", "Watson");
int[] yale_timestamp = first_obj.m_key_map.get("Yale").m_timestamp;
assertEquals(VectorTimestamp.Compare(yale_timestamp, temp), Comparison.EQ);
int[] cs_timestamp = first_obj.m_key_map.get("CS").m_timestamp;
temp[0] = 2;
assertEquals(VectorTimestamp.Compare(cs_timestamp, temp), Comparison.EQ);
int[] name_timestamp = ShMem.s_state.m_key_map.get("name").m_timestamp;
assertEquals(VectorTimestamp.Compare(name_timestamp, temp), Comparison.EQ);
ShMemObject.s_now[1] = 2;
ShMemObject second_obj = new ShMemObject();
second_obj.put("gah", "blah");
first_obj.put("second", second_obj);
temp[0] = 2;
temp[1] = 2;
temp[2] = 0;
temp[3] = 0;
assertEquals(VectorTimestamp.Compare(name_timestamp, temp), Comparison.EQ);
}
@org.junit.Test
public void testMerge() {
standardInit();
ObjectMapper mapper = new ObjectMapper();
ObjectNode to_merge = mapper.createObjectNode();
int[] vector = {0, 0, 1, 0};
ArrayNode timestamp1 = createSerializedTimestamp(vector, mapper);
ArrayNode timestamp2 = createSerializedTimestamp(vector, mapper);
ObjectNode yale_value = mapper.createObjectNode();
yale_value.put("shmem_timestamp", timestamp2);
yale_value.put("value", "College");
ObjectNode yale_node = mapper.createObjectNode();
yale_node.put("Yale", yale_value);
ObjectNode name_value = mapper.createObjectNode();
name_value.put("shmem_timestamp", timestamp1);
name_value.put("value", yale_node);
ObjectNode name_object = mapper.createObjectNode();
name_object.put("name", name_value);
// The merge should fail. We're expecting a MergeException.
Throwable expected_exception = null;
try {
ShMem.s_state.merge(name_object, "");
} catch (Exception ex) {
expected_exception = ex;
}
assertTrue(expected_exception instanceof ShMemObject.MergeException);
// Now try merging something that doesn't conflict.
expected_exception = null;
standardInit();
ObjectNode abc_value = mapper.createObjectNode();
abc_value.put("value", "xyz");
abc_value.put("shmem_timestamp", timestamp1);
ObjectNode abc_node = mapper.createObjectNode();
abc_node.put("abc", abc_value);
// The merge should go through fine.
try {
ShMem.s_state.merge(abc_node, "");
} catch (Exception ex) {
expected_exception = ex;
}
assertTrue(expected_exception == null);
String xyz_string = ShMem.s_state.get("abc").getTextValue();
assertTrue(xyz_string.equals("xyz"));
standardInit();
int[] new_timestamp = {2, 2, 1, 0};
timestamp1 = createSerializedTimestamp(new_timestamp, mapper);
timestamp2 = createSerializedTimestamp(new_timestamp, mapper);
yale_value.put("shmem_timestamp", timestamp2);
name_value.put("shmem_timestamp", timestamp1);
expected_exception = null;
try {
ShMem.s_state.merge(name_object, "");
} catch (Exception e) {
expected_exception = e;
}
assertTrue(expected_exception == null);
assertEquals(VectorTimestamp.Compare(ShMemObject.s_now, new_timestamp), Comparison.EQ);
String college_string = ShMem.s_state.get("name").get("Yale").getTextValue();
assertTrue(college_string.equals("College"));
int[] yale_timestamp =
((ShMemObject) ShMem.s_state.get("name")).m_key_map.get("Yale").m_timestamp;
assertEquals(VectorTimestamp.Compare(yale_timestamp, new_timestamp), Comparison.EQ);
int[] name_timestamp = ShMem.s_state.m_key_map.get("name").m_timestamp;
assertEquals(VectorTimestamp.Compare(name_timestamp, new_timestamp), Comparison.EQ);
}
@org.junit.Test
public void testTimestamps() {
VectorTimestamp.Init(3, 0);
int[] start_time = VectorTimestamp.CreateZero();
int[] temp = new int[3];
for (int i = 0; i < 3; ++i) {
temp[i] = 0;
}
assertEquals(VectorTimestamp.Compare(start_time, temp), Comparison.EQ);
VectorTimestamp.IncrementLocal(start_time);
temp[0] = 1;
assertEquals(VectorTimestamp.Compare(start_time, temp), Comparison.EQ);
temp[2] = 1;
assertEquals(VectorTimestamp.Compare(start_time, temp), Comparison.LT);
for (int i = 0; i < 3; ++i) {
temp[i] = 0;
}
assertEquals(VectorTimestamp.Compare(start_time, temp), Comparison.GT);
temp[1] = 1;
assertEquals(VectorTimestamp.Compare(start_time, temp), Comparison.NONE);
for (int i = 0; i < 3; ++i) {
temp[i] = 4;
}
VectorTimestamp.CopyFromTo(temp, start_time);
assertEquals(VectorTimestamp.Compare(start_time, temp), Comparison.EQ);
int[] other = {3, 7, 3};
VectorTimestamp.Union(start_time, other);
assertEquals(VectorTimestamp.Compare(start_time, temp), Comparison.GT);
temp[1] = 7;
assertEquals(VectorTimestamp.Compare(start_time, temp), Comparison.EQ);
temp[0] = 5;
temp[1] = 5;
temp[2] = 5;
assertEquals(VectorTimestamp.Compare(start_time, temp), Comparison.NONE);
}