details: http://hg.sympy.org/sympy/rev/b92a6c3e37e3
changeset: 1801:b92a6c3e37e3
user: Ondrej Certik <[EMAIL PROTECTED]>
date: Fri Oct 17 15:48:22 2008 +0200
description:
Tests written for Basic.as_leading_term().
diffs (20 lines):
diff -r 087e11d74c54 -r b92a6c3e37e3 sympy/core/tests/test_basic.py
--- a/sympy/core/tests/test_basic.py Fri Oct 17 15:48:22 2008 +0200
+++ b/sympy/core/tests/test_basic.py Fri Oct 17 15:48:22 2008 +0200
@@ -150,6 +150,16 @@
assert (x+1).leadterm(x)[1] == 0
assert (x+x**2).leadterm(x)[1] == 1
assert (x**2).leadterm(x)[1] == 2
+
+def test_as_leading_term():
+ assert (3+2*x**(log(3)/log(2)-1)).as_leading_term(x) == 3
+ assert (1/x**2+1+x+x**2).as_leading_term(x) == 1/x**2
+ assert (1/x+1+x+x**2).as_leading_term(x) == 1/x
+ assert (x**2+1/x).as_leading_term(x) == 1/x
+ assert (1+x**2).as_leading_term(x) == 1
+ assert (x+1).as_leading_term(x) == 1
+ assert (x+x**2).as_leading_term(x) == x
+ assert (x**2).as_leading_term(x) == x**2
def test_atoms():
assert sorted(list(x.atoms())) == [x]
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