# Command: testsuite::ticket-618

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Name:

    testsuite::ticket-618 - catch nodes which require tau_mem != tau_syn

Synopsis:

    (ticket-618) run -> NEST exits if test fails

Description:

      All neuron models using exact integration require that tau_mem != tau_syn.
      This test ensures that all pertaining models raise an exception if
      tau_mem == tau_syn.

      The test does so by ensuring that any model that has tau_* properties and V_m,
      either throws an exception when all tau_ properties are set to the same value,
      or has a non-nan V_m after 10ms simulation.

      This test should be updated when alternative implementations of exact integration
      for the degenerate case are in place.

Author:

    Hans Ekkehard Plesser, 2012-12-11

Source:

    /opt/conda/conda-bld/nest_1524088722951/work/nest-2.14.0/testsuite/regressiontests/ticket-618.sli

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