diff --git a/bin/tests/.gitignore b/bin/tests/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..1e4bcac08585eebf6bbbbceebdd8d97945b59cd9
--- /dev/null
+++ b/bin/tests/.gitignore
@@ -0,0 +1 @@
+*.mml
diff --git a/bin/tests/test-2-add-inside-relationship-mapping b/bin/tests/test-2-add-inside-relationship-mapping
new file mode 100755
index 0000000000000000000000000000000000000000..4df83196edc57b11759423e62b845d0f7c393d06
--- /dev/null
+++ b/bin/tests/test-2-add-inside-relationship-mapping
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+TEST_FILES=`ls ../../tests/sqrt_lg/*.lg` 
+for file in $TEST_FILES
+do
+  ../lg2mml ../../tests/sqrt_lg/$file
+  filename=`basename $file .lg`
+  echo "MathML generated: "$filename".mml"
+done
diff --git a/tests/sqrt_lg/ISICal19_1201_em_754.lg b/tests/sqrt_lg/ISICal19_1201_em_754.lg
new file mode 100755
index 0000000000000000000000000000000000000000..c9b95319b8302ec35ff635fb5d236a1f5847ed4c
--- /dev/null
+++ b/tests/sqrt_lg/ISICal19_1201_em_754.lg
@@ -0,0 +1,9 @@
+# IUD, CROHME19_754
+# Objects(3):
+O, 2_1, 2, 1.0, 2
+O, _1, \sqrt, 1.0, 0
+O, x_1, x, 1.0, 1
+
+# Relations from SRT:
+R, _1, x_1, Inside, 1.0
+R, x_1, 2_1, Sup, 1.0
diff --git a/tests/sqrt_lg/UN19_1002_em_21.lg b/tests/sqrt_lg/UN19_1002_em_21.lg
new file mode 100755
index 0000000000000000000000000000000000000000..8726f4d898c39fef64b8315ed0b7919b11c1d8a6
--- /dev/null
+++ b/tests/sqrt_lg/UN19_1002_em_21.lg
@@ -0,0 +1,15 @@
+# IUD, CROHME19_21
+# Objects(6):
+O, _1, -, 1.0, 4
+O, c_1, c, 1.0, 6
+O, _2, \sqrt, 1.0, 5
+O, M_1, M, 1.0, 0
+O, rarr_1, \rightarrow, 1.0, 1, 2
+O, M_2, M, 1.0, 3
+
+# Relations from SRT:
+R, M_1, rarr_1, Right, 1.0
+R, _1, M_2, Above, 1.0
+R, _1, _2, Below, 1.0
+R, _2, c_1, Inside, 1.0
+R, rarr_1, _1, Right, 1.0
diff --git a/tests/sqrt_lg/UN19wb_1121_em_1189.lg b/tests/sqrt_lg/UN19wb_1121_em_1189.lg
new file mode 100755
index 0000000000000000000000000000000000000000..6180c4ff2024b14750abbb6cb5905809d6f0190b
--- /dev/null
+++ b/tests/sqrt_lg/UN19wb_1121_em_1189.lg
@@ -0,0 +1,55 @@
+# IUD, CROHME19_1189
+# Objects(25):
+O, -_1, -, 1.0, 0
+O, 4_3, 4, 1.0, 18, 19
+O, 4_2, 4, 1.0, 10, 11
+O, (_1, (, 1.0, 3
+O, gamma_1, \gamma, 1.0, 4
+O, +_1, +, 1.0, 5, 6
+O, b_1, b, 1.0, 15
+O, log_1, \log, 1.0, 7, 8, 9
+O, 4_1, 4, 1.0, 1, 2
+O, _1, -, 1.0, 31
+O, _2, \sqrt, 1.0, 26, 25
+O, 1_1, 1, 1.0, 27
+O, 1_2, 1, 1.0, 34
+O, 3_1, 3, 1.0, 37
+O, -_2, -, 1.0, 28
+O, +_3, +, 1.0, 16, 17
+O, )_1, ), 1.0, 12
+O, _3, \sqrt, 1.0, 32, 33
+O, +_2, +, 1.0, 13, 14
+O, B_1, B, 1.0, 20
+O, x_2, x, 1.0, 38, 39
+O, pi_1, \pi, 1.0, 21, 23, 22
+O, 2_1, 2, 1.0, 24
+O, +_4, +, 1.0, 35, 36
+O, x_1, x, 1.0, 29, 30
+
+# Relations from SRT:
+R, (_1, gamma_1, Right, 1.0
+R, )_1, +_2, Right, 1.0
+R, +_1, log_1, Right, 1.0
+R, +_2, b_1, Right, 1.0
+R, +_3, _1, Right, 1.0
+R, +_4, 3_1, Right, 1.0
+R, -_1, 4_1, Right, 1.0
+R, -_2, x_1, Right, 1.0
+R, 1_1, -_2, Right, 1.0
+R, 1_2, +_4, Right, 1.0
+R, 3_1, x_2, Right, 1.0
+R, 4_1, (_1, Right, 1.0
+R, 4_2, )_1, Right, 1.0
+R, 4_3, B_1, Right, 1.0
+R, B_1, pi_1, Right, 1.0
+R, _1, 4_3, Above, 1.0
+R, _1, _3, Below, 1.0
+R, _2, -_2, Inside, 1.0
+R, _2, 1_1, Inside, 1.0
+R, _3, +_4, Inside, 1.0
+R, _3, 1_2, Inside, 1.0
+R, b_1, +_3, Right, 1.0
+R, gamma_1, +_1, Right, 1.0
+R, log_1, 4_2, Right, 1.0
+R, pi_1, 2_1, Sup, 1.0
+R, pi_1, _2, Right, 1.0