From 5bf9308b47bfb71ebec95316351c4ee1039a3a90 Mon Sep 17 00:00:00 2001
From: Tristan Gingold <tgingold@free.fr>
Date: Tue, 6 Aug 2019 07:50:13 +0200
Subject: Add a testcase for #881

---
 testsuite/gna/issue881/t87.vhdl     | 17 +++++++++++++++++
 testsuite/gna/issue881/t87io.vhdl   | 19 +++++++++++++++++++
 testsuite/gna/issue881/testsuite.sh | 21 +++++++++++++++++++++
 3 files changed, 57 insertions(+)
 create mode 100644 testsuite/gna/issue881/t87.vhdl
 create mode 100644 testsuite/gna/issue881/t87io.vhdl
 create mode 100755 testsuite/gna/issue881/testsuite.sh

(limited to 'testsuite/gna')

diff --git a/testsuite/gna/issue881/t87.vhdl b/testsuite/gna/issue881/t87.vhdl
new file mode 100644
index 000000000..847bf4e47
--- /dev/null
+++ b/testsuite/gna/issue881/t87.vhdl
@@ -0,0 +1,17 @@
+entity t87 is
+end;
+
+architecture behav of t87 is
+  constant t1 : time := 1 ns;
+  constant t2 : natural := time'pos (t1);
+begin
+  assert t1 = 1000 ps;
+  process
+    variable v : natural;
+  begin
+    --  Time resolution must be ps
+    v := time'pos(ps);
+    assert v = 1 severity failure;
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/gna/issue881/t87io.vhdl b/testsuite/gna/issue881/t87io.vhdl
new file mode 100644
index 000000000..3b2c70c18
--- /dev/null
+++ b/testsuite/gna/issue881/t87io.vhdl
@@ -0,0 +1,19 @@
+entity t87io is
+end;
+
+use std.textio.all;
+
+architecture behav of t87io is
+  constant t1 : time := 1 ns;
+  constant t2 : natural := time'pos (t1);
+begin
+  assert t1 = 1000 ps;
+  process
+    variable v : natural;
+  begin
+    --  Time resolution must be ps
+    v := time'pos(ps);
+    assert v = 1 severity failure;
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/gna/issue881/testsuite.sh b/testsuite/gna/issue881/testsuite.sh
new file mode 100755
index 000000000..1ec9e0a4d
--- /dev/null
+++ b/testsuite/gna/issue881/testsuite.sh
@@ -0,0 +1,21 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+# See #613
+
+if ! $GHDL --help -a | grep -q time-resolution; then
+  echo "option --time-resolution not available"
+else
+    analyze t87.vhdl
+    elab_simulate --time-resolution=ps t87
+    elab_simulate --time-resolution=auto t87
+
+    analyze t87io.vhdl
+    elab_simulate --time-resolution=ps t87io
+    elab_simulate --time-resolution=auto t87io
+
+    clean
+fi
+
+echo "Test successful"
-- 
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