diff --git a/basis/compiler/tree/propagation/inlining/inlining-tests.factor b/basis/compiler/tree/propagation/inlining/inlining-tests.factor
index 16dd94dede..6be283d763 100644
--- a/basis/compiler/tree/propagation/inlining/inlining-tests.factor
+++ b/basis/compiler/tree/propagation/inlining/inlining-tests.factor
@@ -1,4 +1,4 @@
-USING: accessors compiler.tree.builder compiler.tree.propagation
+USING: accessors assocs compiler.tree.builder compiler.tree.propagation
 compiler.tree.propagation.inlining kernel math sequences tools.test ;
 IN: compiler.tree.propagation.inlining.tests
 
@@ -6,3 +6,8 @@ IN: compiler.tree.propagation.inlining.tests
     [ >bignum 10 mod ] build-tree propagate
     fourth dup word>> do-inlining
 ] unit-test
+
+! never-inline-word?
+{ t } [
+    \ + props>> "default-method" of  never-inline-word?
+] unit-test
diff --git a/basis/compiler/tree/propagation/nodes/nodes-tests.factor b/basis/compiler/tree/propagation/nodes/nodes-tests.factor
new file mode 100644
index 0000000000..3b5b38dacc
--- /dev/null
+++ b/basis/compiler/tree/propagation/nodes/nodes-tests.factor
@@ -0,0 +1,17 @@
+USING: compiler.tree.propagation.copy compiler.tree.propagation.info
+compiler.tree.propagation.nodes namespaces tools.test ;
+IN: compiler.tree.propagation.nodes.tests
+
+
+{
+    H{ { 1234 "hello" } }
+} [
+    H{ { 1234 1234 } } copies set
+    {
+        H{
+            { 1234 "hello" }
+            { 4321 "stuff" }
+        }
+    } value-infos set
+    { 1234 } extract-value-info
+] unit-test
diff --git a/basis/compiler/tree/propagation/recursive/recursive-tests.factor b/basis/compiler/tree/propagation/recursive/recursive-tests.factor
index 2f004e5011..94f1e04cfd 100644
--- a/basis/compiler/tree/propagation/recursive/recursive-tests.factor
+++ b/basis/compiler/tree/propagation/recursive/recursive-tests.factor
@@ -1,7 +1,10 @@
-USING: tools.test compiler.tree.propagation.recursive
-math.intervals kernel math literals layouts ;
+USING: accessors tools.test compiler.tree compiler.tree.builder
+compiler.tree.optimizer compiler.tree.propagation.info
+compiler.tree.propagation.recursive math.intervals kernel kernel.private
+math literals layouts sequences ;
 IN: compiler.tree.propagation.recursive.tests
 
+! generalize-counter-interval
 { T{ interval f { 0 t } { 1/0. t } } } [
     T{ interval f { 1 t } { 1 t } }
     T{ interval f { 0 t } { 0 t } }
@@ -51,3 +54,20 @@ IN: compiler.tree.propagation.recursive.tests
     T{ interval f { 2 t } { 11 t } }
     fixnum generalize-counter-interval
 ] unit-test
+
+! node-output-infos
+: integer-loop ( a -- b )
+    { integer } declare [ dup 0 > ] [ 1 - ] while ;
+{
+    V{
+        T{ value-info-state
+           { class integer }
+           { interval
+             T{ interval { from { 1 t } } { to { 1/0. t } } }
+           }
+        }
+    }
+} [
+    \ integer-loop build-tree optimize-tree
+    [ #if? ] filter second children>> first first recursive-phi-infos
+] unit-test
diff --git a/basis/compiler/tree/tree-tests.factor b/basis/compiler/tree/tree-tests.factor
new file mode 100644
index 0000000000..b8a8c7573e
--- /dev/null
+++ b/basis/compiler/tree/tree-tests.factor
@@ -0,0 +1,10 @@
+USING: accessors compiler.tree kernel tools.test ;
+IN: compiler.tree.tests
+
+{
+    "label"
+    "a-child"
+} [
+    "label" f "a-child" <#recursive>
+    [ label>> ] [ child>> ] bi
+] unit-test