9 files changed, 113 insertions, 0 deletions
diff --git a/testsuite/synth/attr02/leftof01.vhdl b/testsuite/synth/attr02/leftof01.vhdl
new file mode 100644
index 000000000..8683fd134
--- /dev/null
+++ b/testsuite/synth/attr02/leftof01.vhdl
@@ -0,0 +1,9 @@
+entity leftof01 is
+  port (i : integer;
+        o : out integer);
+end leftof01;
+
+architecture behav of leftof01 is
+begin
+  o <= integer'leftof(i);
+end behav;
diff --git a/testsuite/synth/attr02/pred01.vhdl b/testsuite/synth/attr02/pred01.vhdl
new file mode 100644
index 000000000..eda38a116
--- /dev/null
+++ b/testsuite/synth/attr02/pred01.vhdl
@@ -0,0 +1,9 @@
+entity pred01 is
+  port (i : integer;
+        o : out integer);
+end pred01;
+
+architecture behav of pred01 is
+begin
+  o <= integer'pred(i);
+end behav;
diff --git a/testsuite/synth/attr02/rightof01.vhdl b/testsuite/synth/attr02/rightof01.vhdl
new file mode 100644
index 000000000..6b0425259
--- /dev/null
+++ b/testsuite/synth/attr02/rightof01.vhdl
@@ -0,0 +1,9 @@
+entity rightof01 is
+  port (i : integer;
+        o : out integer);
+end rightof01;
+
+architecture behav of rightof01 is
+begin
+  o <= integer'rightof(i);
+end behav;
diff --git a/testsuite/synth/attr02/succ01.vhdl b/testsuite/synth/attr02/succ01.vhdl
new file mode 100644
index 000000000..462b2539a
--- /dev/null
+++ b/testsuite/synth/attr02/succ01.vhdl
@@ -0,0 +1,9 @@
+entity succ01 is
+  port (i : integer;
+        o : out integer);
+end succ01;
+
+architecture behav of succ01 is
+begin
+  o <= integer'succ(i);
+end behav;
diff --git a/testsuite/synth/attr02/tb_leftof01.vhdl b/testsuite/synth/attr02/tb_leftof01.vhdl
new file mode 100644
index 000000000..b638b347b
--- /dev/null
+++ b/testsuite/synth/attr02/tb_leftof01.vhdl
@@ -0,0 +1,17 @@
+entity tb_leftof01 is
+end tb_leftof01;
+
+architecture behav of tb_leftof01 is
+  signal i, o : integer := 9;
+begin
+  dut: entity work.leftof01
+    port map (i, o);
+
+  process
+  begin
+    i <= 5;
+    wait for 1 ns;
+    assert o = 4 severity failure;
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/synth/attr02/tb_pred01.vhdl b/testsuite/synth/attr02/tb_pred01.vhdl
new file mode 100644
index 000000000..4b60b30ec
--- /dev/null
+++ b/testsuite/synth/attr02/tb_pred01.vhdl
@@ -0,0 +1,17 @@
+entity tb_pred01 is
+end tb_pred01;
+
+architecture behav of tb_pred01 is
+  signal i, o : integer := 9;
+begin
+  dut: entity work.pred01
+    port map (i, o);
+
+  process
+  begin
+    i <= 5;
+    wait for 1 ns;
+    assert o = 4 severity failure;
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/synth/attr02/tb_rightof01.vhdl b/testsuite/synth/attr02/tb_rightof01.vhdl
new file mode 100644
index 000000000..40c567678
--- /dev/null
+++ b/testsuite/synth/attr02/tb_rightof01.vhdl
@@ -0,0 +1,17 @@
+entity tb_rightof01 is
+end tb_rightof01;
+
+architecture behav of tb_rightof01 is
+  signal i, o : integer := 9;
+begin
+  dut: entity work.rightof01
+    port map (i, o);
+
+  process
+  begin
+    i <= 5;
+    wait for 1 ns;
+    assert o = 6 severity failure;
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/synth/attr02/tb_succ01.vhdl b/testsuite/synth/attr02/tb_succ01.vhdl
new file mode 100644
index 000000000..8ff2d31dc
--- /dev/null
+++ b/testsuite/synth/attr02/tb_succ01.vhdl
@@ -0,0 +1,17 @@
+entity tb_succ01 is
+end tb_succ01;
+
+architecture behav of tb_succ01 is
+  signal i, o : integer;
+begin
+  dut: entity work.succ01
+    port map (i, o);
+
+  process
+  begin
+    i <= 5;
+    wait for 1 ns;
+    assert o = 6 severity failure;
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/synth/attr02/testsuite.sh b/testsuite/synth/attr02/testsuite.sh
new file mode 100755
index 000000000..915c346c0
--- /dev/null
+++ b/testsuite/synth/attr02/testsuite.sh
@@ -0,0 +1,9 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+for t in succ01 pred01 leftof01 rightof01; do
+    synth_tb $t
+done
+
+echo "Test successful"