diff --git a/testdata/std.primitiveEquals.golden b/testdata/std.primitiveEquals.golden
new file mode 100644
index 0000000..27ba77d
--- /dev/null
+++ b/testdata/std.primitiveEquals.golden
@@ -0,0 +1 @@
+true
diff --git a/testdata/std.primitiveEquals.jsonnet b/testdata/std.primitiveEquals.jsonnet
new file mode 100644
index 0000000..90d187d
--- /dev/null
+++ b/testdata/std.primitiveEquals.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals(1, 1)
diff --git a/testdata/std.primitiveEquals10.golden b/testdata/std.primitiveEquals10.golden
new file mode 100644
index 0000000..57d4eaa
--- /dev/null
+++ b/testdata/std.primitiveEquals10.golden
@@ -0,0 +1 @@
+RUNTIME ERROR: x
diff --git a/testdata/std.primitiveEquals10.jsonnet b/testdata/std.primitiveEquals10.jsonnet
new file mode 100644
index 0000000..77b99cd
--- /dev/null
+++ b/testdata/std.primitiveEquals10.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals(error "x", 42)
diff --git a/testdata/std.primitiveEquals11.golden b/testdata/std.primitiveEquals11.golden
new file mode 100644
index 0000000..27ba77d
--- /dev/null
+++ b/testdata/std.primitiveEquals11.golden
@@ -0,0 +1 @@
+true
diff --git a/testdata/std.primitiveEquals11.jsonnet b/testdata/std.primitiveEquals11.jsonnet
new file mode 100644
index 0000000..3d369b6
--- /dev/null
+++ b/testdata/std.primitiveEquals11.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals(3.14, 3.14)
diff --git a/testdata/std.primitiveEquals12.golden b/testdata/std.primitiveEquals12.golden
new file mode 100644
index 0000000..c508d53
--- /dev/null
+++ b/testdata/std.primitiveEquals12.golden
@@ -0,0 +1 @@
+false
diff --git a/testdata/std.primitiveEquals12.jsonnet b/testdata/std.primitiveEquals12.jsonnet
new file mode 100644
index 0000000..13d0129
--- /dev/null
+++ b/testdata/std.primitiveEquals12.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals(3.14, 3.15)
diff --git a/testdata/std.primitiveEquals13.golden b/testdata/std.primitiveEquals13.golden
new file mode 100644
index 0000000..53deed7
--- /dev/null
+++ b/testdata/std.primitiveEquals13.golden
@@ -0,0 +1 @@
+RUNTIME ERROR: primitiveEquals operates on primitive types, got array
diff --git a/testdata/std.primitiveEquals13.jsonnet b/testdata/std.primitiveEquals13.jsonnet
new file mode 100644
index 0000000..f6468c1
--- /dev/null
+++ b/testdata/std.primitiveEquals13.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals([], [])
diff --git a/testdata/std.primitiveEquals14.golden b/testdata/std.primitiveEquals14.golden
new file mode 100644
index 0000000..c508d53
--- /dev/null
+++ b/testdata/std.primitiveEquals14.golden
@@ -0,0 +1 @@
+false
diff --git a/testdata/std.primitiveEquals14.jsonnet b/testdata/std.primitiveEquals14.jsonnet
new file mode 100644
index 0000000..928250c
--- /dev/null
+++ b/testdata/std.primitiveEquals14.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals(42, {})
diff --git a/testdata/std.primitiveEquals15.golden b/testdata/std.primitiveEquals15.golden
new file mode 100644
index 0000000..c508d53
--- /dev/null
+++ b/testdata/std.primitiveEquals15.golden
@@ -0,0 +1 @@
+false
diff --git a/testdata/std.primitiveEquals15.jsonnet b/testdata/std.primitiveEquals15.jsonnet
new file mode 100644
index 0000000..6753165
--- /dev/null
+++ b/testdata/std.primitiveEquals15.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals({}, 42)
diff --git a/testdata/std.primitiveEquals16.golden b/testdata/std.primitiveEquals16.golden
new file mode 100644
index 0000000..c508d53
--- /dev/null
+++ b/testdata/std.primitiveEquals16.golden
@@ -0,0 +1 @@
+false
diff --git a/testdata/std.primitiveEquals16.jsonnet b/testdata/std.primitiveEquals16.jsonnet
new file mode 100644
index 0000000..5fa0076
--- /dev/null
+++ b/testdata/std.primitiveEquals16.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals([], 42)
diff --git a/testdata/std.primitiveEquals17.golden b/testdata/std.primitiveEquals17.golden
new file mode 100644
index 0000000..c508d53
--- /dev/null
+++ b/testdata/std.primitiveEquals17.golden
@@ -0,0 +1 @@
+false
diff --git a/testdata/std.primitiveEquals17.jsonnet b/testdata/std.primitiveEquals17.jsonnet
new file mode 100644
index 0000000..a7095f1
--- /dev/null
+++ b/testdata/std.primitiveEquals17.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals(42, [])
diff --git a/testdata/std.primitiveEquals18.golden b/testdata/std.primitiveEquals18.golden
new file mode 100644
index 0000000..27ba77d
--- /dev/null
+++ b/testdata/std.primitiveEquals18.golden
@@ -0,0 +1 @@
+true
diff --git a/testdata/std.primitiveEquals18.jsonnet b/testdata/std.primitiveEquals18.jsonnet
new file mode 100644
index 0000000..b80fa3d
--- /dev/null
+++ b/testdata/std.primitiveEquals18.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals(null, null)
diff --git a/testdata/std.primitiveEquals2.golden b/testdata/std.primitiveEquals2.golden
new file mode 100644
index 0000000..c508d53
--- /dev/null
+++ b/testdata/std.primitiveEquals2.golden
@@ -0,0 +1 @@
+false
diff --git a/testdata/std.primitiveEquals2.jsonnet b/testdata/std.primitiveEquals2.jsonnet
new file mode 100644
index 0000000..7b7cc1c
--- /dev/null
+++ b/testdata/std.primitiveEquals2.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals(1, 2)
diff --git a/testdata/std.primitiveEquals3.golden b/testdata/std.primitiveEquals3.golden
new file mode 100644
index 0000000..27ba77d
--- /dev/null
+++ b/testdata/std.primitiveEquals3.golden
@@ -0,0 +1 @@
+true
diff --git a/testdata/std.primitiveEquals3.jsonnet b/testdata/std.primitiveEquals3.jsonnet
new file mode 100644
index 0000000..7881c03
--- /dev/null
+++ b/testdata/std.primitiveEquals3.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals("xxx", "xxx")
diff --git a/testdata/std.primitiveEquals4.golden b/testdata/std.primitiveEquals4.golden
new file mode 100644
index 0000000..c508d53
--- /dev/null
+++ b/testdata/std.primitiveEquals4.golden
@@ -0,0 +1 @@
+false
diff --git a/testdata/std.primitiveEquals4.jsonnet b/testdata/std.primitiveEquals4.jsonnet
new file mode 100644
index 0000000..6ce71cf
--- /dev/null
+++ b/testdata/std.primitiveEquals4.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals("xxx", "xxy")
diff --git a/testdata/std.primitiveEquals5.golden b/testdata/std.primitiveEquals5.golden
new file mode 100644
index 0000000..c508d53
--- /dev/null
+++ b/testdata/std.primitiveEquals5.golden
@@ -0,0 +1 @@
+false
diff --git a/testdata/std.primitiveEquals5.jsonnet b/testdata/std.primitiveEquals5.jsonnet
new file mode 100644
index 0000000..7db93c0
--- /dev/null
+++ b/testdata/std.primitiveEquals5.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals(1, "x")
diff --git a/testdata/std.primitiveEquals6.golden b/testdata/std.primitiveEquals6.golden
new file mode 100644
index 0000000..d618d40
--- /dev/null
+++ b/testdata/std.primitiveEquals6.golden
@@ -0,0 +1 @@
+RUNTIME ERROR: primitiveEquals operates on primitive types, got object
diff --git a/testdata/std.primitiveEquals6.jsonnet b/testdata/std.primitiveEquals6.jsonnet
new file mode 100644
index 0000000..092e8eb
--- /dev/null
+++ b/testdata/std.primitiveEquals6.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals({}, {})
diff --git a/testdata/std.primitiveEquals7.golden b/testdata/std.primitiveEquals7.golden
new file mode 100644
index 0000000..fe63265
--- /dev/null
+++ b/testdata/std.primitiveEquals7.golden
@@ -0,0 +1 @@
+RUNTIME ERROR: Cannot test equality of functions
diff --git a/testdata/std.primitiveEquals7.jsonnet b/testdata/std.primitiveEquals7.jsonnet
new file mode 100644
index 0000000..62a486f
--- /dev/null
+++ b/testdata/std.primitiveEquals7.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals(function() 42, function() 42)
diff --git a/testdata/std.primitiveEquals8.golden b/testdata/std.primitiveEquals8.golden
new file mode 100644
index 0000000..c508d53
--- /dev/null
+++ b/testdata/std.primitiveEquals8.golden
@@ -0,0 +1 @@
+false
diff --git a/testdata/std.primitiveEquals8.jsonnet b/testdata/std.primitiveEquals8.jsonnet
new file mode 100644
index 0000000..7c51d25
--- /dev/null
+++ b/testdata/std.primitiveEquals8.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals(42, function() 42)
diff --git a/testdata/std.primitiveEquals9.golden b/testdata/std.primitiveEquals9.golden
new file mode 100644
index 0000000..57d4eaa
--- /dev/null
+++ b/testdata/std.primitiveEquals9.golden
@@ -0,0 +1 @@
+RUNTIME ERROR: x
diff --git a/testdata/std.primitiveEquals9.jsonnet b/testdata/std.primitiveEquals9.jsonnet
new file mode 100644
index 0000000..6240e30
--- /dev/null
+++ b/testdata/std.primitiveEquals9.jsonnet
@@ -0,0 +1 @@
+std.primitiveEquals(42, error "x")