testsuite/synth: add a test for previous commit.

5 files changed, 70 insertions, 0 deletions

diff --git a/testsuite/synth/if02/if01.vhdl b/testsuite/synth/if02/if01.vhdl
new file mode 100644
index 000000000..fa515cd7d
--- /dev/null
+++ b/testsuite/synth/if02/if01.vhdl
@@ -0,0 +1,15 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity if01 is
+  port (a : std_logic;
+        b : std_logic;
+        sel : std_logic;
+        s : out std_logic);
+end if01;
+
+architecture behav of if01 is
+begin
+  s <= a when sel = '0'
+       else b when sel = '1';
+end behav;
diff --git a/testsuite/synth/if02/if02.vhdl b/testsuite/synth/if02/if02.vhdl
new file mode 100644
index 000000000..b9155c7c4
--- /dev/null
+++ b/testsuite/synth/if02/if02.vhdl
@@ -0,0 +1,15 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity if01 is
+  port (a : std_logic;
+        b : std_logic;
+        sel : std_logic_vector (1 downto 0);
+        s : out std_logic);
+end if01;
+
+architecture behav of if01 is
+begin
+  s <= a when sel = "01"
+       else b when sel = "10";
+end behav;
diff --git a/testsuite/synth/if02/if03.vhdl b/testsuite/synth/if02/if03.vhdl
new file mode 100644
index 000000000..6ff896358
--- /dev/null
+++ b/testsuite/synth/if02/if03.vhdl
@@ -0,0 +1,21 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity if03 is
+  port (a : std_logic;
+        b : std_logic;
+        sel : std_logic;
+        s : out std_logic);
+end if03;
+
+architecture behav of if03 is
+begin
+  process (a, b, sel)
+  begin
+    if sel = '0' then
+      s <= a;
+    elsif sel = '1' then
+      s <= b;
+    end if;
+  end process;
+end behav;
diff --git a/testsuite/synth/if02/testsuite.sh b/testsuite/synth/if02/testsuite.sh
new file mode 100755
index 000000000..575200dcb
--- /dev/null
+++ b/testsuite/synth/if02/testsuite.sh
@@ -0,0 +1,9 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+for t in if01 if02 if03; do
+    synth_failure $t.vhdl -e
+done
+
+echo "Test successful"
diff --git a/testsuite/testenv.sh b/testsuite/testenv.sh
index d95644dc3..c3b6f6556 100644
--- a/testsuite/testenv.sh
+++ b/testsuite/testenv.sh
@@ -109,6 +109,16 @@ synth()
     "$GHDL" --synth $GHDL_STD_FLAGS $GHDL_FLAGS $@
 }
 
+synth_failure ()
+{
+   echo "try to synthesize $@"
+   # for arg in $@; do echo "arg: $arg"; done
+   if ! "$GHDL" --synth --expect-failure $GHDL_STD_FLAGS $GHDL_FLAGS "$@" ; then
+     echo "Failure expected"
+     return 1
+   fi
+}
+
 # Synthesis of a single file and analyze the result
 synth_analyze()
 {