diff --git a/packages/slate-schema/test/validations/children/max/invalid-match.js b/packages/slate-schema/test/validations/children/max/invalid-match.js
new file mode 100644
index 000000000..2e593d46c
--- /dev/null
+++ b/packages/slate-schema/test/validations/children/max/invalid-match.js
@@ -0,0 +1,29 @@
+/** @jsx jsx */
+
+import { jsx } from 'slate-hyperscript'
+
+export const schema = [
+  {
+    for: 'node',
+    match: { a: true },
+    validate: {
+      children: [{ match: 'text', max: 1 }],
+    },
+  },
+]
+
+export const input = (
+  <editor>
+    <element a>
+      <element b>one</element>
+    </element>
+  </editor>
+)
+
+export const output = (
+  <editor>
+    <element a>
+      <text />
+    </element>
+  </editor>
+)
diff --git a/packages/slate-schema/test/validations/children/min/valid-second-optional-exists.js b/packages/slate-schema/test/validations/children/min/valid-second-optional-exists.js
new file mode 100644
index 000000000..cfaf0806a
--- /dev/null
+++ b/packages/slate-schema/test/validations/children/min/valid-second-optional-exists.js
@@ -0,0 +1,27 @@
+/** @jsx jsx */
+
+import { jsx } from 'slate-hyperscript'
+
+export const schema = [
+  {
+    for: 'node',
+    match: { a: true },
+    validate: {
+      children: [
+        { match: { b: true }, min: 1, max: 1 },
+        { match: { c: true }, min: 0 },
+      ],
+    },
+  },
+]
+
+export const input = (
+  <editor>
+    <element a>
+      <element b>one</element>
+      <element c>two</element>
+    </element>
+  </editor>
+)
+
+export const output = input
diff --git a/packages/slate-schema/test/validations/children/min/valid-second-optional-missing.js b/packages/slate-schema/test/validations/children/min/valid-second-optional-missing.js
new file mode 100644
index 000000000..36dc0212b
--- /dev/null
+++ b/packages/slate-schema/test/validations/children/min/valid-second-optional-missing.js
@@ -0,0 +1,26 @@
+/** @jsx jsx */
+
+import { jsx } from 'slate-hyperscript'
+
+export const schema = [
+  {
+    for: 'node',
+    match: { a: true },
+    validate: {
+      children: [
+        { match: { b: true }, min: 1, max: 1 },
+        { match: { c: true }, min: 0 },
+      ],
+    },
+  },
+]
+
+export const input = (
+  <editor>
+    <element a>
+      <element b>one</element>
+    </element>
+  </editor>
+)
+
+export const output = input