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-rw-r--r--src/lib/netlist/tests/test_pfunction.cpp60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/lib/netlist/tests/test_pfunction.cpp b/src/lib/netlist/tests/test_pfunction.cpp
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index 00000000000..fa100e7edb2
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+++ b/src/lib/netlist/tests/test_pfunction.cpp
@@ -0,0 +1,60 @@
+// license:BSD-3-Clause
+// copyright-holders:Couriersud
+
+///
+/// \file test_pfunction.cpp
+///
+/// tests for `pfunction` class
+///
+
+#include "plib/ptests.h"
+
+#include "plib/pexception.h"
+#include "plib/pfunction.h"
+
+#define PFUNCEXPECT(formula, val) \
+ PEXPECT_EQ(val, plib::pfunction<double>(formula)())
+
+PTEST(pfunction, operators)
+{
+ PFUNCEXPECT("1==1", 1.0);
+ PFUNCEXPECT("1 *0 == 2-1-1", 1.0);
+ PFUNCEXPECT("0!=1", 1.0);
+ PFUNCEXPECT("0<1", 1.0);
+ PFUNCEXPECT("1>0", 1.0);
+ PFUNCEXPECT("0<=1", 1.0);
+ PFUNCEXPECT("1>=0", 1.0);
+ PFUNCEXPECT("1<=1", 1.0);
+ PFUNCEXPECT("1>=1", 1.0);
+ PEXPECT_EQ(1.0, plib::pfunction<double>("0!=a", {"a"})({1.0}));
+}
+
+PTEST(pfunction, func_if)
+{
+ PFUNCEXPECT("if(1>0, 2, 0)", 2.0);
+ PFUNCEXPECT("if(0>1, 2, 3)", 3.0);
+ PFUNCEXPECT("if(sin(1)>0, 2, 3)", 2.0); // fail
+ PEXPECT_EQ( 1.0, plib::pfunction<double>("if(A2>2.5, 0-A1, (0.07-(0.005*A1))*if(A0>2.5,1,0-1))", {"A0","A1","A2"})({1.0,-1.0,3.0}));
+ PEXPECT_EQ(-0.065, plib::pfunction<double>("if(A2>2.5, 0-A1, (0.07-(0.005*A1))*if(A0>2.5,1,0-1))", {"A0","A1","A2"})({1.0,1.0,1.0}));
+ PEXPECT_EQ( 0.065, plib::pfunction<double>("if(A2>2.5, 0-A1, (0.07-(0.005*A1))*if(A0>2.5,1,0-1))", {"A0","A1","A2"})({3.0,1.0,1.0}));
+ PEXPECT_TRUE(1.0 == plib::pfunction<double>("0!=a", {"a"})({1.0}));
+}
+
+PTEST(pfunction, unary_minus)
+{
+ PFUNCEXPECT("-1>-2", 1.0);
+ PFUNCEXPECT("(-3)*(-4)", 12.0);
+ PFUNCEXPECT("(-3)*-4", 12.0);
+ PFUNCEXPECT("-3*-4", 12.0);
+ PEXPECT_EQ( -3.0, plib::pfunction<double>("-A0", {"A0"})({3.0}));
+ PFUNCEXPECT("3*-trunc(3.2)", -9.0);
+ PFUNCEXPECT("3*-(3*2)", -18.0);
+ PFUNCEXPECT("3*-(2*1)^2", -12.0);
+ PEXPECT_NO_THROW(plib::pfunction<double>("(-3)")()); // fail
+}
+PTEST(pfunction, expect_throw)
+{
+ PEXPECT_THROW(plib::pfunction<double>("(3, 4)")(), plib::pexception);
+ PEXPECT_THROW(plib::pfunction<double>("((3)")(), plib::pexception);
+ PEXPECT_THROW(plib::pfunction<double>("(3))")(), plib::pexception);
+}