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Add tests for formatting floating numbers
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‎extra_tests/snippets/strings.py‎

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@@ -232,6 +232,62 @@ def __repr__(self):
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assert "%e" % 0.1 == '1.000000e-01'
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assert "%e" % 10 == '1.000000e+01'
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assert "%.10e" % 1.2345678901234567890 == '1.2345678901e+00'
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assert '%e' % float('nan') == 'nan'
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assert '%e' % float('-nan') == 'nan'
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assert '%E' % float('nan') == 'NAN'
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assert '%e' % float('inf') == 'inf'
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assert '%e' % float('-inf') == '-inf'
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assert '%E' % float('inf') == 'INF'
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assert "%g" % 123456.78901234567890 == '123457'
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assert "%.0g" % 123456.78901234567890 == '1e+05'
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assert "%.1g" % 123456.78901234567890 == '1e+05'
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assert "%.2g" % 123456.78901234567890 == '1.2e+05'
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assert "%g" % 1234567.8901234567890 == '1.23457e+06'
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assert "%.0g" % 1234567.8901234567890 == '1e+06'
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assert "%.1g" % 1234567.8901234567890 == '1e+06'
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assert "%.2g" % 1234567.8901234567890 == '1.2e+06'
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assert "%.3g" % 1234567.8901234567890 == '1.23e+06'
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assert "%.5g" % 1234567.8901234567890 == '1.2346e+06'
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assert "%.6g" % 1234567.8901234567890 == '1.23457e+06'
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assert "%.7g" % 1234567.8901234567890 == '1234568'
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assert "%.8g" % 1234567.8901234567890 == '1234567.9'
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assert "%G" % 123456.78901234567890 == '123457'
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assert "%.0G" % 123456.78901234567890 == '1E+05'
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assert "%.1G" % 123456.78901234567890 == '1E+05'
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assert "%.2G" % 123456.78901234567890 == '1.2E+05'
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assert "%G" % 1234567.8901234567890 == '1.23457E+06'
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assert "%.0G" % 1234567.8901234567890 == '1E+06'
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assert "%.1G" % 1234567.8901234567890 == '1E+06'
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assert "%.2G" % 1234567.8901234567890 == '1.2E+06'
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assert "%.3G" % 1234567.8901234567890 == '1.23E+06'
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assert "%.5G" % 1234567.8901234567890 == '1.2346E+06'
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assert "%.6G" % 1234567.8901234567890 == '1.23457E+06'
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assert "%.7G" % 1234567.8901234567890 == '1234568'
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assert "%.8G" % 1234567.8901234567890 == '1234567.9'
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assert '%g' % 0.12345678901234567890 == '0.123457'
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assert '%g' % 0.12345678901234567890e-1 == '0.0123457'
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assert '%g' % 0.12345678901234567890e-2 == '0.00123457'
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assert '%g' % 0.12345678901234567890e-3 == '0.000123457'
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assert '%g' % 0.12345678901234567890e-4 == '1.23457e-05'
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assert '%g' % 0.12345678901234567890e-5 == '1.23457e-06'
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assert '%.6g' % 0.12345678901234567890e-5 == '1.23457e-06'
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assert '%.10g' % 0.12345678901234567890e-5 == '1.23456789e-06'
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assert '%.20g' % 0.12345678901234567890e-5 == '1.2345678901234567384e-06'
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assert '%G' % 0.12345678901234567890 == '0.123457'
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assert '%G' % 0.12345678901234567890E-1 == '0.0123457'
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assert '%G' % 0.12345678901234567890E-2 == '0.00123457'
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assert '%G' % 0.12345678901234567890E-3 == '0.000123457'
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assert '%G' % 0.12345678901234567890E-4 == '1.23457E-05'
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assert '%G' % 0.12345678901234567890E-5 == '1.23457E-06'
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assert '%.6G' % 0.12345678901234567890E-5 == '1.23457E-06'
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assert '%.10G' % 0.12345678901234567890E-5 == '1.23456789E-06'
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assert '%.20G' % 0.12345678901234567890E-5 == '1.2345678901234567384E-06'
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assert '%g' % float('nan') == 'nan'
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assert '%g' % float('-nan') == 'nan'
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assert '%G' % float('nan') == 'NAN'
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assert '%g' % float('inf') == 'inf'
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assert '%g' % float('-inf') == '-inf'
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assert '%G' % float('inf') == 'INF'
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assert_raises(TypeError, lambda: "My name is %s and I'm %(age)d years old" % ("Foo", 25), _msg='format requires a mapping')
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assert_raises(TypeError, lambda: "My name is %(name)s" % "Foo", _msg='format requires a mapping')
@@ -477,6 +533,57 @@ def try_mutate_str():
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assert '{:e}'.format(float('-inf')) == '-inf'
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assert '{:E}'.format(float('inf')) == 'INF'
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# Test g & G formatting
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assert '{:g}'.format(123456.78901234567890) == '123457'
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assert '{:.0g}'.format(123456.78901234567890) == '1e+05'
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assert '{:.1g}'.format(123456.78901234567890) == '1e+05'
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assert '{:.2g}'.format(123456.78901234567890) == '1.2e+05'
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assert '{:g}'.format(1234567.8901234567890) == '1.23457e+06'
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assert '{:.0g}'.format(1234567.8901234567890) == '1e+06'
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assert '{:.1g}'.format(1234567.8901234567890) == '1e+06'
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assert '{:.2g}'.format(1234567.8901234567890) == '1.2e+06'
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assert '{:.3g}'.format(1234567.8901234567890) == '1.23e+06'
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assert '{:.5g}'.format(1234567.8901234567890) == '1.2346e+06'
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assert '{:.6g}'.format(1234567.8901234567890) == '1.23457e+06'
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assert '{:.7g}'.format(1234567.8901234567890) == '1234568'
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assert '{:.8g}'.format(1234567.8901234567890) == '1234567.9'
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assert '{:G}'.format(123456.78901234567890) == '123457'
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assert '{:.0G}'.format(123456.78901234567890) == '1E+05'
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assert '{:.1G}'.format(123456.78901234567890) == '1E+05'
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assert '{:.2G}'.format(123456.78901234567890) == '1.2E+05'
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assert '{:G}'.format(1234567.8901234567890) == '1.23457E+06'
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assert '{:.0G}'.format(1234567.8901234567890) == '1E+06'
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assert '{:.1G}'.format(1234567.8901234567890) == '1E+06'
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assert '{:.2G}'.format(1234567.8901234567890) == '1.2E+06'
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assert '{:.3G}'.format(1234567.8901234567890) == '1.23E+06'
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assert '{:.5G}'.format(1234567.8901234567890) == '1.2346E+06'
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assert '{:.6G}'.format(1234567.8901234567890) == '1.23457E+06'
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assert '{:.7G}'.format(1234567.8901234567890) == '1234568'
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assert '{:.8G}'.format(1234567.8901234567890) == '1234567.9'
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assert '{:g}'.format(0.12345678901234567890) == '0.123457'
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assert '{:g}'.format(0.12345678901234567890e-1) == '0.0123457'
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assert '{:g}'.format(0.12345678901234567890e-2) == '0.00123457'
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assert '{:g}'.format(0.12345678901234567890e-3) == '0.000123457'
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assert '{:g}'.format(0.12345678901234567890e-4) == '1.23457e-05'
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assert '{:g}'.format(0.12345678901234567890e-5) == '1.23457e-06'
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assert '{:.6g}'.format(0.12345678901234567890e-5) == '1.23457e-06'
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assert '{:.10g}'.format(0.12345678901234567890e-5) == '1.23456789e-06'
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assert '{:.20g}'.format(0.12345678901234567890e-5) == '1.2345678901234567384e-06'
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assert '{:G}'.format(0.12345678901234567890) == '0.123457'
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assert '{:G}'.format(0.12345678901234567890E-1) == '0.0123457'
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assert '{:G}'.format(0.12345678901234567890E-2) == '0.00123457'
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assert '{:G}'.format(0.12345678901234567890E-3) == '0.000123457'
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assert '{:G}'.format(0.12345678901234567890E-4) == '1.23457E-05'
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assert '{:G}'.format(0.12345678901234567890E-5) == '1.23457E-06'
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assert '{:.6G}'.format(0.12345678901234567890E-5) == '1.23457E-06'
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assert '{:.10G}'.format(0.12345678901234567890E-5) == '1.23456789E-06'
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assert '{:.20G}'.format(0.12345678901234567890E-5) == '1.2345678901234567384E-06'
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assert '{:g}'.format(float('nan')) == 'nan'
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assert '{:g}'.format(float('-nan')) == 'nan'
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assert '{:G}'.format(float('nan')) == 'NAN'
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assert '{:g}'.format(float('inf')) == 'inf'
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assert '{:g}'.format(float('-inf')) == '-inf'
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assert '{:G}'.format(float('inf')) == 'INF'
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# remove*fix test
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def test_removeprefix():

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