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-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-import-display.exp1
-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-import-display.nix2
-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-value-display.exp1
-rw-r--r--tvix/eval/src/tests/tvix_tests/eval-okay-value-display.nix16
-rw-r--r--tvix/eval/src/tests/tvix_tests/notyetpassing/eval-okay-cycle-display-cpp-nix-2.13.exp1
-rw-r--r--tvix/eval/src/tests/tvix_tests/notyetpassing/eval-okay-cycle-display-cpp-nix-2.13.nix34
6 files changed, 55 insertions, 0 deletions
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-import-display.exp b/tvix/eval/src/tests/tvix_tests/eval-okay-import-display.exp
new file mode 100644
index 000000000000..15d838950e7a
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-import-display.exp
@@ -0,0 +1 @@
+<PRIMOP>
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-import-display.nix b/tvix/eval/src/tests/tvix_tests/eval-okay-import-display.nix
new file mode 100644
index 000000000000..411f3cd6ef63
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-import-display.nix
@@ -0,0 +1,2 @@
+# In C++ Nix 2.3 this used to be <PRIMOP-APP>
+import
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-value-display.exp b/tvix/eval/src/tests/tvix_tests/eval-okay-value-display.exp
new file mode 100644
index 000000000000..c7e3fc6503a5
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-value-display.exp
@@ -0,0 +1 @@
+[ null true false 42 42 "foo\t\nbar" /home/arthur [ 1 2 3 ] <LAMBDA> <PRIMOP> <PRIMOP-APP> { hello = "world"; } ]
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-value-display.nix b/tvix/eval/src/tests/tvix_tests/eval-okay-value-display.nix
new file mode 100644
index 000000000000..d34ed1697e77
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-value-display.nix
@@ -0,0 +1,16 @@
+# Sanity check of how values are rendered by tvix vs. nix-instantiate(1).
+# Ensures that we can use this test suite to compare against C++ Nix.
+[
+  null
+  true
+  false
+  42
+  42.0
+  "foo\t\nbar"
+  /home/arthur
+  [ 1 2 3 ]
+  (x: x)
+  builtins.add
+  (builtins.substring 0 1)
+  { hello = "world"; }
+]
diff --git a/tvix/eval/src/tests/tvix_tests/notyetpassing/eval-okay-cycle-display-cpp-nix-2.13.exp b/tvix/eval/src/tests/tvix_tests/notyetpassing/eval-okay-cycle-display-cpp-nix-2.13.exp
new file mode 100644
index 000000000000..9c44023f02dd
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/notyetpassing/eval-okay-cycle-display-cpp-nix-2.13.exp
@@ -0,0 +1 @@
+[ { car = 42; cdr = «repeated»; } [ «repeated» «repeated» «repeated» ] { val = 42; wal = «repeated»; xal = «repeated»; } { tail1 = «repeated»; tail2 = «repeated»; val = 42; } { tail1 = «repeated»; tail2 = «repeated»; val = 21; } ]
diff --git a/tvix/eval/src/tests/tvix_tests/notyetpassing/eval-okay-cycle-display-cpp-nix-2.13.nix b/tvix/eval/src/tests/tvix_tests/notyetpassing/eval-okay-cycle-display-cpp-nix-2.13.nix
new file mode 100644
index 000000000000..bd3b1429cef3
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/notyetpassing/eval-okay-cycle-display-cpp-nix-2.13.nix
@@ -0,0 +1,34 @@
+let
+  linkedList = {
+    car = 42;
+    cdr = linkedList;
+  };
+
+  list = [
+    linkedList
+    linkedList
+    linkedList
+  ];
+
+  set = {
+    val = 42;
+    wal = set;
+    xal = set;
+  };
+
+  multiTail = {
+   val = 42;
+   tail1 = multiTail;
+   tail2 = multiTail;
+  };
+in
+
+[
+  linkedList
+  list
+  set
+
+  # In C++ Nix 2.3 these would be displayed differently
+  multiTail
+  (let multiTail = { val = 21; tail1 = multiTail; tail2 = multiTail; }; in multiTail)
+]