Certainly! Here's a test case generator for the given problem statement "Disordered Data Detection":

```python
import random

def tcgen():
    # Length of the sequence
    D = random.randint(1, 100000)
    
    # Generating the sequence X
    X = [random.randint(-10**8, 10**8) for _ in range(D)]
    
    # Number of queries
    Q = random.randint(1, 100000)
    
    queries = []
    for _ in range(Q):
        l = random.randint(1, D)
        r = random.randint(l, D)  # ensuring l <= r
        e = random.randint(0, 10**8)
        queries.append((l, r, e))
    
    return D, X, Q, queries

# Example usage:
D, X, Q, queries = tcgen()

# Printing the generated test case
print(D)
print(' '.join(map(str, X)))
print(Q)
for q in queries:
    print(q[0], q[1], q[2])
```

This test case generator randomly creates the input data for the problem:

1. It generates a random length `D` for the sequence within the allowed range [1, 100000].
2. It creates a sequence `X` of length `D` where each element is an integer in the range [-10^8, 10^8].
3. It generates a random number of queries `Q` within the allowed range [1, 100000].
4. For each query, it generates random values for `l`, `r`, and `e` ensuring `1 ≤ l ≤ r ≤ D` and `0 ≤ e ≤ 10^8`.

You can run this generator to create diverse test cases for the problem.