[DTrace-devel] [PATCH v2 07/14] test: caller and stackdepth tests for cpc provider

[eugene.loh at oracle.com]

From: Eugene Loh <eugene.loh at oracle.com>

Signed-off-by: Eugene Loh <eugene.loh at oracle.com>
Reviewed-by: Nick Alcock <nick.alcock at oracle.com>
---
 test/unittest/variables/bvar/tst.caller-cpc.d | 23 +++++++++++++++++
 test/unittest/variables/bvar/tst.caller-cpc.r |  1 +
 .../variables/bvar/tst.caller-cpc.r.p         |  1 +
 .../variables/bvar/tst.stackdepth-cpc.d       | 25 +++++++++++++++++++
 .../variables/bvar/tst.stackdepth-cpc.r       |  1 +
 .../variables/bvar/tst.stackdepth-cpc.r.p     |  1 +
 6 files changed, 52 insertions(+)
 create mode 100644 test/unittest/variables/bvar/tst.caller-cpc.d
 create mode 100644 test/unittest/variables/bvar/tst.caller-cpc.r
 create mode 120000 test/unittest/variables/bvar/tst.caller-cpc.r.p
 create mode 100644 test/unittest/variables/bvar/tst.stackdepth-cpc.d
 create mode 100644 test/unittest/variables/bvar/tst.stackdepth-cpc.r
 create mode 120000 test/unittest/variables/bvar/tst.stackdepth-cpc.r.p

diff --git a/test/unittest/variables/bvar/tst.caller-cpc.d b/test/unittest/variables/bvar/tst.caller-cpc.d
new file mode 100644
index 000000000..ff275e8ad
--- /dev/null
+++ b/test/unittest/variables/bvar/tst.caller-cpc.d
@@ -0,0 +1,23 @@
+/*
+ * Oracle Linux DTrace.
+ * Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
+ * Licensed under the Universal Permissive License v 1.0 as shown at
+ * http://oss.oracle.com/licenses/upl.
+ */
+/* Check that 'caller' is consistent with stack(). */
+
+#pragma D option quiet
+
+cpc:::cpu_clock-all-100000000
+/stackdepth > 1/
+{
+	stack(2);
+	sym(caller);
+	exit(0);
+}
+
+ERROR
+{
+	printf("error encountered\n");
+	exit(1);
+}
diff --git a/test/unittest/variables/bvar/tst.caller-cpc.r b/test/unittest/variables/bvar/tst.caller-cpc.r
new file mode 100644
index 000000000..2e9ba477f
--- /dev/null
+++ b/test/unittest/variables/bvar/tst.caller-cpc.r
@@ -0,0 +1 @@
+success
diff --git a/test/unittest/variables/bvar/tst.caller-cpc.r.p b/test/unittest/variables/bvar/tst.caller-cpc.r.p
new file mode 120000
index 000000000..954ca96aa
--- /dev/null
+++ b/test/unittest/variables/bvar/tst.caller-cpc.r.p
@@ -0,0 +1 @@
+check_caller_to_stack2.awk
\ No newline at end of file
diff --git a/test/unittest/variables/bvar/tst.stackdepth-cpc.d b/test/unittest/variables/bvar/tst.stackdepth-cpc.d
new file mode 100644
index 000000000..5adae23a7
--- /dev/null
+++ b/test/unittest/variables/bvar/tst.stackdepth-cpc.d
@@ -0,0 +1,25 @@
+/*
+ * Oracle Linux DTrace.
+ * Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
+ * Licensed under the Universal Permissive License v 1.0 as shown at
+ * http://oss.oracle.com/licenses/upl.
+ */
+/* Check that 'stackdepth' is consistent with stack(). */
+
+#pragma D option quiet
+
+cpc:::cpu_clock-all-100000000
+/stackdepth > 1/
+{
+	printf("DEPTH %d\n", stackdepth);
+	printf("TRACE BEGIN\n");
+	stack(100);
+	printf("TRACE END\n");
+	exit(0);
+}
+
+ERROR
+{
+	printf("error encountered\n");
+	exit(1);
+}
diff --git a/test/unittest/variables/bvar/tst.stackdepth-cpc.r b/test/unittest/variables/bvar/tst.stackdepth-cpc.r
new file mode 100644
index 000000000..3bd29b8ed
--- /dev/null
+++ b/test/unittest/variables/bvar/tst.stackdepth-cpc.r
@@ -0,0 +1 @@
+Stack depth OK
diff --git a/test/unittest/variables/bvar/tst.stackdepth-cpc.r.p b/test/unittest/variables/bvar/tst.stackdepth-cpc.r.p
new file mode 120000
index 000000000..e50f12822
--- /dev/null
+++ b/test/unittest/variables/bvar/tst.stackdepth-cpc.r.p
@@ -0,0 +1 @@
+check_stackdepth_to_stack.awk
\ No newline at end of file
-- 
2.43.5