Initialisation du repository de Beta

venv/lib/python3.12/site-packages/sympy/sets/tests/test_contains.py

@@ -0,0 +1,52 @@
+from sympy.core.expr import unchanged
+from sympy.core.numbers import oo
+from sympy.core.relational import Eq
+from sympy.core.singleton import S
+from sympy.core.symbol import Symbol
+from sympy.sets.contains import Contains
+from sympy.sets.sets import (FiniteSet, Interval)
+from sympy.testing.pytest import raises
+
+
+def test_contains_basic():
+    raises(TypeError, lambda: Contains(S.Integers, 1))
+    assert Contains(2, S.Integers) is S.true
+    assert Contains(-2, S.Naturals) is S.false
+
+    i = Symbol('i', integer=True)
+    assert Contains(i, S.Naturals) == Contains(i, S.Naturals, evaluate=False)
+
+
+def test_issue_6194():
+    x = Symbol('x')
+    assert unchanged(Contains, x, Interval(0, 1))
+    assert Interval(0, 1).contains(x) == (S.Zero <= x) & (x <= 1)
+    assert Contains(x, FiniteSet(0)) != S.false
+    assert Contains(x, Interval(1, 1)) != S.false
+    assert Contains(x, S.Integers) != S.false
+
+
+def test_issue_10326():
+    assert Contains(oo, Interval(-oo, oo)) == False
+    assert Contains(-oo, Interval(-oo, oo)) == False
+
+
+def test_binary_symbols():
+    x = Symbol('x')
+    y = Symbol('y')
+    z = Symbol('z')
+    assert Contains(x, FiniteSet(y, Eq(z, True))
+        ).binary_symbols == {y, z}
+
+
+def test_as_set():
+    x = Symbol('x')
+    y = Symbol('y')
+    assert Contains(x, FiniteSet(y)).as_set() == FiniteSet(y)
+    assert Contains(x, S.Integers).as_set() == S.Integers
+    assert Contains(x, S.Reals).as_set() == S.Reals
+
+
+def test_type_error():
+    # Pass in a parameter not of type "set"
+    raises(TypeError, lambda: Contains(2, None))