Added failing test for generate_solutions() that should pass

.gitignore

@@ -14,4 +14,4 @@
 
 # build files
 build/*
-dist/*
+dist/*

tests/test_solver.py

@@ -1,6 +1,7 @@
 import pytest
 from nonogram_solver import solver
 from nonogram_solver.nonogram import Nonogram
+from nonogram_solver.solver import generate_solutions
 import numpy as np
 
 
@@ -73,3 +74,43 @@ def test_nonogram_solver_manual(simple_nonogram_from_string_box):
          [0, 0, 1, 1, 0],
          [-1, -1, -1, 0, 1],
          [-1, -1, 0, 0, 1]]))
+
+
+def test_generate_solutions_ship_example():
+    n_rows = 10
+    n_cols = 10
+    col_clues = [
+        [1],
+        [2, 2],
+        [2, 2, 3],
+        [10],
+        [2, 3],
+        [2, 3],
+        [2, 2, 3],
+        [10],
+        [2, 2, 3],
+        [2]]
+    row_clues = [
+        [1, 1],
+        [3, 3],
+        [3, 3],
+        [1, 1],
+        [3, 4],
+        [3, 4],
+        [1, 1],
+        [10], 
+        [9],
+        [7]]
+    puzzle = -1 * np.ones((n_rows, n_cols))
+    generate_solutions(n_rows, n_cols, row_clues, col_clues, puzzle)
+    assert np.all(puzzle == np.array(
+        [[0, 0, 0, 1, 0, 0, 0, 1, 0, 0],
+         [0, 0, 1, 1, 1, 0, 1, 1, 1, 0],
+         [0, 0, 1, 1, 1, 0, 1, 1, 1, 0],
+         [0, 0, 0, 1, 0, 0, 0, 1, 0, 0],
+         [0, 1, 1, 1, 0, 1, 1, 1, 1, 0],
+         [0, 1, 1, 1, 0, 1, 1, 1, 1, 0],
+         [0, 0, 0, 1, 0, 0, 0, 1, 0, 0],
+         [1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
+         [0, 1, 1, 1, 1, 1, 1, 1, 1, 1],
+         [0, 0, 1, 1, 1, 1, 1, 1, 1, 0]]))