systemc: Import tests from the Accellera systemc distribution.

Change-Id: Iad76b398949a55d768a34d027a2d8e3739953da6
Reviewed-on: https://gem5-review.googlesource.com/10845
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Maintainer: Gabe Black <gabeblack@google.com>

1 files changed, 93 insertions, 0 deletions

diff --git a/src/systemc/tests/systemc/kernel/sc_time/test19/test19.cpp b/src/systemc/tests/systemc/kernel/sc_time/test19/test19.cpp
new file mode 100644
index 000000000..c7a7f357c
--- /dev/null
+++ b/src/systemc/tests/systemc/kernel/sc_time/test19/test19.cpp
@@ -0,0 +1,93 @@
+/*****************************************************************************
+
+  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
+  more contributor license agreements.  See the NOTICE file distributed
+  with this work for additional information regarding copyright ownership.
+  Accellera licenses this file to you under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with the
+  License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+  implied.  See the License for the specific language governing
+  permissions and limitations under the License.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  test19.cpp -- Test sc_time string/tuple conversions
+
+  Original Author: Philipp A. Hartmann, OFFIS
+
+ *****************************************************************************/
+
+
+#include "systemc.h"
+
+void check_time( const sc_time& t, sc_time_unit tu, const std::string & str )
+{
+    sc_time_tuple tp = t;
+
+    std::cout << t.to_string() << ", value=" << t.value() << std::endl;
+    std::cout << "  ";
+    if( tp.has_value() )
+        std::cout << "t.value=" << tp.value();
+    else
+        std::cout << "t.double=" << tp.to_double();
+    std::cout << ", t.unit="  << tp.unit_symbol()
+              << std::endl;
+
+    sc_assert( tp.has_value() );
+    sc_assert( t.to_string() == str );
+    sc_assert( tp.to_string() == t.to_string() );
+    sc_assert( tp.unit() == tu );
+
+    sc_time u = sc_time::from_string( str.c_str() );
+    sc_assert( t == u );
+    sc_assert( u == tp );
+    sc_assert( tp.unit() == sc_time_tuple(u).unit() );
+
+    u = sc_time( tp.to_double(), tp.unit_symbol() );
+    sc_assert( t == u );
+    sc_assert( u == tp );
+    sc_assert( tp.unit() == sc_time_tuple(u).unit() );
+}
+
+int sc_main( int, char*[] )
+{
+    sc_report_handler::set_actions( SC_ID_SET_TIME_RESOLUTION_, SC_DO_NOTHING );
+    sc_report_handler::set_actions( SC_ID_TIME_CONVERSION_FAILED_, SC_DISPLAY );
+
+    unsigned resolutions[] = { 100, 10, 1 };
+    sc_time_unit resunit   = SC_FS;
+    unsigned* res = resolutions;
+
+    while( true )
+    {
+        std::cout << "\nResolution = " << sc_get_time_resolution() << std::endl;
+
+        check_time( sc_time(  10,   SC_NS),  SC_NS,  "10 ns" );
+        check_time( sc_time( 100,   SC_NS),  SC_NS, "100 ns" );
+        check_time( sc_time(1000,   SC_NS),  SC_US,   "1 us" );
+        check_time( sc_time(   0.1, SC_US),  SC_NS, "100 ns" );
+        check_time( sc_time(   1,   SC_US),  SC_US,   "1 us" );
+        check_time( sc_time(  10,   SC_US),  SC_US,  "10 us" );
+        check_time( sc_time( 100,   SC_US),  SC_US, "100 us" );
+        check_time( sc_time(1000,   SC_US),  SC_MS,   "1 ms" );
+        check_time( sc_time( 100,  SC_SEC), SC_SEC, "100 s" );
+
+        // exit loop before final resolution update
+        if (res == resolutions + (sizeof(resolutions)/sizeof(*resolutions)))
+            break;
+
+        sc_set_time_resolution( *res, resunit );
+        res++;
+    }
+
+    cout << "\nProgram completed" << endl;
+    return 0;
+}