diff --git a/test/simulator/sample_data/chip_sample.xml b/test/simulator/sample_data/chip_sample.xml
new file mode 100644
index 0000000..8b0ca6e
--- /dev/null
+++ b/test/simulator/sample_data/chip_sample.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<chip model_ec="SAMPLE_10" name="Sample">
+    <attn_tree attn_type="CS" node_inst="0" root_node="GFIR"/>
+    <attn_tree attn_type="RE" node_inst="0" root_node="GFIR"/>
+</chip>
diff --git a/test/simulator/sample_data/node_cfir0.xml b/test/simulator/sample_data/node_cfir0.xml
new file mode 100644
index 0000000..67e5707
--- /dev/null
+++ b/test/simulator/sample_data/node_cfir0.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<attn_node model_ec="SAMPLE_10" name="CFIR0" reg_type="SCOM">
+    <register name="CFIR0_CS">
+        <instance addr="0x00f00000" reg_inst="0"/>
+        <instance addr="0x00f00010" reg_inst="1"/>
+    </register>
+    <register name="CFIR0_RE">
+        <instance addr="0x00f00001" reg_inst="0"/>
+        <instance addr="0x00f00011" reg_inst="1"/>
+    </register>
+    <register name="CFIR0_MASK">
+        <instance addr="0x00f00002" reg_inst="0"/>
+        <instance addr="0x00f00012" reg_inst="1"/>
+    </register>
+    <capture_group node_inst="0:1">
+        <capture_register reg_inst="0:1" reg_name="CFIR0_CS"/>
+        <capture_register reg_inst="0:1" reg_name="CFIR0_RE"/>
+        <capture_register reg_inst="0:1" reg_name="CFIR0_MASK"/>
+    </capture_group>
+    <rule attn_type="CS" node_inst="0:1">
+        <expr type="and">
+            <expr type="reg" value1="CFIR0_CS"/>
+            <expr type="not">
+                <expr type="reg" value1="CFIR0_MASK"/>
+            </expr>
+            <expr type="int" value1="0x0FFFFFFFFFFFFFFF"/>
+        </expr>
+    </rule>
+    <rule attn_type="RE" node_inst="0:1">
+        <expr type="and">
+            <expr type="reg" value1="CFIR0_RE"/>
+            <expr type="not">
+                <expr type="reg" value1="CFIR0_MASK"/>
+            </expr>
+            <expr type="int" value1="0x0FFFFFFFFFFFFFFF"/>
+        </expr>
+    </rule>
+    <bit child_node="LFIR0" node_inst="0:1" pos="4">Attention on LFIR0</bit>
+    <bit child_node="LFIR1" node_inst="0,2" pos="5">Attention on LFIR1</bit>
+    <bit child_node="LFIR1" node_inst="3,5" pos="6">Attention on LFIR1</bit>
+</attn_node>
diff --git a/test/simulator/sample_data/node_cfir1.xml b/test/simulator/sample_data/node_cfir1.xml
new file mode 100644
index 0000000..9a9cb0e
--- /dev/null
+++ b/test/simulator/sample_data/node_cfir1.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<attn_node model_ec="SAMPLE_10" name="CFIR1" reg_type="SCOM">
+    <register name="CFIR1_CS">
+        <instance addr="0x00f10000" reg_inst="0"/>
+    </register>
+    <register name="CFIR1_RE">
+        <instance addr="0x00f10001" reg_inst="0"/>
+    </register>
+    <register name="CFIR1_MASK">
+        <instance addr="0x00f10002" reg_inst="0"/>
+    </register>
+    <capture_group node_inst="0">
+        <capture_register reg_inst="0" reg_name="CFIR1_CS"/>
+        <capture_register reg_inst="0" reg_name="CFIR1_RE"/>
+        <capture_register reg_inst="0" reg_name="CFIR1_MASK"/>
+    </capture_group>
+    <rule attn_type="CS" node_inst="0">
+        <expr type="and">
+            <expr type="reg" value1="CFIR1_CS"/>
+            <expr type="not">
+                <expr type="reg" value1="CFIR1_MASK"/>
+            </expr>
+            <expr type="int" value1="0x0FFFFFFFFFFFFFFF"/>
+        </expr>
+    </rule>
+    <rule attn_type="RE" node_inst="0">
+        <expr type="and">
+            <expr type="reg" value1="CFIR1_RE"/>
+            <expr type="not">
+                <expr type="reg" value1="CFIR1_MASK"/>
+            </expr>
+            <expr type="int" value1="0x0FFFFFFFFFFFFFFF"/>
+        </expr>
+    </rule>
+    <bit child_node="LFIR1" node_inst="1" pos="4">Attention on LFIR1</bit>
+    <bit child_node="LFIR1" node_inst="4" pos="5">Attention on LFIR1</bit>
+    <bit child_node="LFIR2" node_inst="0" pos="6">Attention on LFIR2</bit>
+</attn_node>
diff --git a/test/simulator/sample_data/node_gfir.xml b/test/simulator/sample_data/node_gfir.xml
new file mode 100644
index 0000000..362d903
--- /dev/null
+++ b/test/simulator/sample_data/node_gfir.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<attn_node model_ec="SAMPLE_10" name="GFIR" reg_type="SCOM">
+    <register name="GFIR_CS">
+        <instance addr="0xf0000000" reg_inst="0"/>
+    </register>
+    <register name="GFIR_RE">
+        <instance addr="0xf0000001" reg_inst="0"/>
+    </register>
+    <capture_group node_inst="0">
+        <capture_register reg_inst="0" reg_name="GFIR_CS"/>
+        <capture_register reg_inst="0" reg_name="GFIR_RE"/>
+    </capture_group>
+    <rule attn_type="CS" node_inst="0">
+        <expr type="reg" value1="GFIR_CS"/>
+    </rule>
+    <rule attn_type="RE" node_inst="0">
+        <expr type="reg" value1="GFIR_RE"/>
+    </rule>
+    <bit child_node="CFIR0" node_inst="0" pos="0">Attention on CFIR0</bit>
+    <bit child_node="CFIR0" node_inst="1" pos="1">Attention on CFIR1</bit>
+    <bit child_node="CFIR1" node_inst="0" pos="2">Attention on CFIR1</bit>
+</attn_node>
diff --git a/test/simulator/sample_data/node_lfir0.xml b/test/simulator/sample_data/node_lfir0.xml
new file mode 100644
index 0000000..47e00ca
--- /dev/null
+++ b/test/simulator/sample_data/node_lfir0.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<attn_node model_ec="SAMPLE_10" name="LFIR0" reg_type="SCOM">
+    <local_fir config="" name="LFIR0">
+        <instance addr="0x0000f000" reg_inst="0"/>
+        <instance addr="0x0000f010" reg_inst="1"/>
+        <action attn_type="CS" config="00"/>
+        <action attn_type="RE" config="01"/>
+    </local_fir>
+    <bit pos="0">Attention A</bit>
+    <bit pos="1">Attention B</bit>
+    <bit pos="2">Attention C</bit>
+    <bit pos="3">Attention D</bit>
+</attn_node>
diff --git a/test/simulator/sample_data/node_lfir1.xml b/test/simulator/sample_data/node_lfir1.xml
new file mode 100644
index 0000000..ec3db0e
--- /dev/null
+++ b/test/simulator/sample_data/node_lfir1.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<attn_node model_ec="SAMPLE_10" name="LFIR1" reg_type="SCOM">
+    <local_fir config="W" name="LFIR1">
+        <instance addr="0x0000f100" reg_inst="0"/>
+        <instance addr="0x0000f110" reg_inst="1"/>
+        <instance addr="0x0000f120" reg_inst="2"/>
+        <instance addr="0x0000f130" reg_inst="3"/>
+        <instance addr="0x0000f140" reg_inst="4"/>
+        <instance addr="0x0000f150" reg_inst="5"/>
+        <action attn_type="CS" config="00"/>
+        <action attn_type="RE" config="01"/>
+    </local_fir>
+    <bit pos="0">Attention A</bit>
+    <bit pos="1">Attention B</bit>
+    <bit pos="2">Attention C</bit>
+    <bit pos="3">Attention D</bit>
+</attn_node>
diff --git a/test/simulator/sample_data/node_lfir2.xml b/test/simulator/sample_data/node_lfir2.xml
new file mode 100644
index 0000000..ccaa3e0
--- /dev/null
+++ b/test/simulator/sample_data/node_lfir2.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<attn_node model_ec="SAMPLE_10" name="LFIR2" reg_type="SCOM">
+    <local_fir config="W2" name="LFIR2">
+        <instance addr="0x0000f200" reg_inst="0"/>
+        <action attn_type="CS" config="000"/>
+        <action attn_type="RE" config="010"/>
+    </local_fir>
+    <bit pos="0">Attention A</bit>
+    <bit pos="1">Attention B</bit>
+    <bit pos="2">Attention C</bit>
+    <bit pos="3">Attention D</bit>
+</attn_node>
diff --git a/test/simulator/sample_data/sample.cdb b/test/simulator/sample_data/sample.cdb
new file mode 100644
index 0000000..7d2717e
--- /dev/null
+++ b/test/simulator/sample_data/sample.cdb
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