Uploaded Test files

venv/Lib/site-packages/sklearn/utils/tests/test_fast_dict.py

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+""" Test fast_dict.
+"""
+import numpy as np
+
+from sklearn.utils._fast_dict import IntFloatDict, argmin
+
+
+def test_int_float_dict():
+    rng = np.random.RandomState(0)
+    keys = np.unique(rng.randint(100, size=10).astype(np.intp))
+    values = rng.rand(len(keys))
+
+    d = IntFloatDict(keys, values)
+    for key, value in zip(keys, values):
+        assert d[key] == value
+    assert len(d) == len(keys)
+
+    d.append(120, 3.)
+    assert d[120] == 3.0
+    assert len(d) == len(keys) + 1
+    for i in range(2000):
+        d.append(i + 1000, 4.0)
+    assert d[1100] == 4.0
+
+
+def test_int_float_dict_argmin():
+    # Test the argmin implementation on the IntFloatDict
+    keys = np.arange(100, dtype=np.intp)
+    values = np.arange(100, dtype=np.float64)
+    d = IntFloatDict(keys, values)
+    assert argmin(d) == (0, 0)