From 87e92d31b192df9d23655cbc50d8a0b1da50b718 Mon Sep 17 00:00:00 2001
From: John McNamara <jmcnamara@cpan.org>
Date: Sun, 8 May 2016 14:50:32 +0100
Subject: [PATCH] Initial working chart subtypes.

---
 .indent.pro                                   |   1 +
 include/xlsxwriter/chart.h                    |  46 +++++-
 src/chart.c                                   | 156 +++++++++++++++---
 test/functional/src/test_chart_bar09.c        |  42 +++++
 test/functional/src/test_chart_bar10.c        |  42 +++++
 test/functional/src/test_chart_column01.c     |  42 +++++
 test/functional/src/test_chart_column02.c     |  42 +++++
 test/functional/src/test_chart_column03.c     |  42 +++++
 test/functional/test_chart_bar.py             |   6 +
 test/functional/test_chart_column.py          |  23 +++
 test/functional/xlsx_files/chart_bar09.xlsx   | Bin 0 -> 9281 bytes
 test/functional/xlsx_files/chart_bar10.xlsx   | Bin 0 -> 9286 bytes
 .../functional/xlsx_files/chart_column01.xlsx | Bin 0 -> 9263 bytes
 .../functional/xlsx_files/chart_column02.xlsx | Bin 0 -> 9287 bytes
 .../functional/xlsx_files/chart_column03.xlsx | Bin 0 -> 9290 bytes
 15 files changed, 420 insertions(+), 22 deletions(-)
 create mode 100644 test/functional/src/test_chart_bar09.c
 create mode 100644 test/functional/src/test_chart_bar10.c
 create mode 100644 test/functional/src/test_chart_column01.c
 create mode 100644 test/functional/src/test_chart_column02.c
 create mode 100644 test/functional/src/test_chart_column03.c
 create mode 100644 test/functional/test_chart_column.py
 create mode 100644 test/functional/xlsx_files/chart_bar09.xlsx
 create mode 100644 test/functional/xlsx_files/chart_bar10.xlsx
 create mode 100644 test/functional/xlsx_files/chart_column01.xlsx
 create mode 100644 test/functional/xlsx_files/chart_column02.xlsx
 create mode 100644 test/functional/xlsx_files/chart_column03.xlsx

diff --git a/.indent.pro b/.indent.pro
index b91c1ba5..c1add4d0 100644
--- a/.indent.pro
+++ b/.indent.pro
@@ -45,6 +45,7 @@
 /* libxlsxwriter typedefs. */
 -T lxw_app
 -T lxw_autofilter
+-T lxw_axis
 -T lxw_border
 -T lxw_cell
 -T lxw_chart
diff --git a/include/xlsxwriter/chart.h b/include/xlsxwriter/chart.h
index 4d4c8933..15d37c9f 100644
--- a/include/xlsxwriter/chart.h
+++ b/include/xlsxwriter/chart.h
@@ -17,6 +17,8 @@
 STAILQ_HEAD(lxw_chart_series_list, lxw_chart_series);
 STAILQ_HEAD(lxw_series_data_points, lxw_series_data_point);
 
+#define LXW_CHART_NUM_FORMAT_LEN 128
+
 /** Available chart types . */
 enum lxw_chart_types {
 
@@ -24,7 +26,31 @@ enum lxw_chart_types {
     LXW_CHART_NONE = 0,
 
     /** Bar chart. */
-    LXW_CHART_BAR
+    LXW_CHART_BAR,
+
+    /** Bar chart - stacked. */
+    LXW_CHART_BAR_STACKED,
+
+    /** Bar chart - percentage stacked. */
+    LXW_CHART_BAR_STACKED_PERCENT,
+
+    /** Column chart. */
+    LXW_CHART_COLUMN,
+
+    /** Column chart - stacked. */
+    LXW_CHART_COLUMN_STACKED,
+
+    /** Column chart - percentage stacked. */
+    LXW_CHART_COLUMN_STACKED_PERCENT,
+
+    LWX_CHART_END_REMOVEP_LATER
+};
+
+enum lxw_chart_subtypes {
+
+    LXW_CHART_SUBTYPE_NONE = 0,
+    LXW_CHART_SUBTYPE_STACKED,
+    LXW_CHART_SUBTYPE_STACKED_PERCENT
 };
 
 typedef struct lxw_series_range {
@@ -56,6 +82,13 @@ typedef struct lxw_chart_series {
 
 } lxw_chart_series;
 
+typedef struct lxw_axis {
+
+    char num_format[LXW_CHART_NUM_FORMAT_LEN];
+    char default_num_format[LXW_CHART_NUM_FORMAT_LEN];
+
+} lxw_axis;
+
 /*
  * Struct to represent a chart object.
  */
@@ -64,8 +97,12 @@ typedef struct lxw_chart {
     FILE *file;
 
     uint8_t type;
+    uint8_t subtype;
     uint16_t series_index;
 
+    lxw_axis x_axis;
+    lxw_axis y_axis;
+
     uint32_t id;
     uint32_t axis_id_1;
     uint32_t axis_id_2;
@@ -75,6 +112,13 @@ typedef struct lxw_chart {
     uint8_t in_use;
     uint8_t cat_has_num_fmt;
 
+    uint8_t has_overlap;
+    int series_overlap_1;
+
+    char grouping[32];
+    char cat_axis_position[2];
+    char val_axis_position[2];
+
     struct lxw_chart_series_list *series_list;
 
     STAILQ_ENTRY (lxw_chart) list_pointers;
diff --git a/src/chart.c b/src/chart.c
index 7c512593..41ffc9ce 100644
--- a/src/chart.c
+++ b/src/chart.c
@@ -36,6 +36,18 @@ lxw_chart_new(uint8_t type)
 
     chart->type = type;
 
+    /* Set the default axis positions. */
+    strcpy(chart->cat_axis_position, "b");
+    strcpy(chart->val_axis_position, "l");
+
+    /* Set the default grouping. */
+    strcpy(chart->grouping, "clustered");
+
+    strcpy(chart->x_axis.default_num_format, "General");
+    strcpy(chart->y_axis.default_num_format, "General");
+
+    chart->series_overlap_1 = 100;
+
     return chart;
 
 mem_error:
@@ -187,14 +199,13 @@ _chart_write_layout(lxw_chart *self)
  * Write the <c:grouping> element.
  */
 STATIC void
-_chart_write_grouping(lxw_chart *self)
+_chart_write_grouping(lxw_chart *self, char *grouping)
 {
     struct xml_attribute_list attributes;
     struct xml_attribute *attribute;
-    char val[] = "clustered";
 
     LXW_INIT_ATTRIBUTES();
-    LXW_PUSH_ATTRIBUTES_STR("val", val);
+    LXW_PUSH_ATTRIBUTES_STR("val", grouping);
 
     lxw_xml_empty_tag(self->file, "c:grouping", &attributes);
 
@@ -620,15 +631,14 @@ _chart_write_major_gridlines(lxw_chart *self)
  * Write the <c:numFmt> element.
  */
 STATIC void
-_chart_write_num_fmt(lxw_chart *self)
+_chart_write_number_format(lxw_chart *self, lxw_axis *axis)
 {
     struct xml_attribute_list attributes;
     struct xml_attribute *attribute;
-    char format_code[] = "General";
     char source_linked[] = "1";
 
     LXW_INIT_ATTRIBUTES();
-    LXW_PUSH_ATTRIBUTES_STR("formatCode", format_code);
+    LXW_PUSH_ATTRIBUTES_STR("formatCode", axis->default_num_format);
     LXW_PUSH_ATTRIBUTES_STR("sourceLinked", source_linked);
 
     lxw_xml_empty_tag(self->file, "c:numFmt", &attributes);
@@ -773,12 +783,31 @@ _chart_write_print_settings(lxw_chart *self)
     lxw_xml_end_tag(self->file, "c:printSettings");
 }
 
+/*
+ * Write the <c:overlap> element.
+ */
+STATIC void
+_chart_write_overlap(lxw_chart *self, int overlap)
+{
+    struct xml_attribute_list attributes;
+    struct xml_attribute *attribute;
+
+    LXW_INIT_ATTRIBUTES();
+    LXW_PUSH_ATTRIBUTES_INT("val", overlap);
+
+    lxw_xml_empty_tag(self->file, "c:overlap", &attributes);
+
+    LXW_FREE_ATTRIBUTES();
+}
+
 /*
  * Write the <c:catAx> element. Usually the X axis.
  */
 STATIC void
 _chart_write_cat_axis(lxw_chart *self)
 {
+    char *position = self->cat_axis_position;
+
     lxw_xml_start_tag(self->file, "c:catAx", NULL);
 
     _chart_write_axis_id(self, self->axis_id_1);
@@ -787,11 +816,11 @@ _chart_write_cat_axis(lxw_chart *self)
     _chart_write_scaling(self);
 
     /* Write the c:axPos element. */
-    _chart_write_axis_pos(self, "l");
+    _chart_write_axis_pos(self, position);
 
     /* Write the c:numFmt element. */
     if (self->cat_has_num_fmt)
-        _chart_write_num_fmt(self);
+        _chart_write_number_format(self, &self->x_axis);
 
     /* Write the c:tickLblPos element. */
     _chart_write_tick_lbl_pos(self);
@@ -818,8 +847,10 @@ _chart_write_cat_axis(lxw_chart *self)
  * Write the <c:valAx> element.
  */
 STATIC void
-_chart_write_val_ax(lxw_chart *self)
+_chart_write_val_axis(lxw_chart *self)
 {
+    char *position = self->val_axis_position;
+
     lxw_xml_start_tag(self->file, "c:valAx", NULL);
 
     _chart_write_axis_id(self, self->axis_id_2);
@@ -828,13 +859,13 @@ _chart_write_val_ax(lxw_chart *self)
     _chart_write_scaling(self);
 
     /* Write the c:axPos element. */
-    _chart_write_axis_pos(self, "b");
+    _chart_write_axis_pos(self, position);
 
     /* Write the c:majorGridlines element. */
     _chart_write_major_gridlines(self);
 
     /* Write the c:numFmt element. */
-    _chart_write_num_fmt(self);
+    _chart_write_number_format(self, &self->y_axis);
 
     /* Write the c:tickLblPos element. */
     _chart_write_tick_lbl_pos(self);
@@ -859,13 +890,13 @@ _chart_write_val_ax(lxw_chart *self)
  * Write the <c:barDir> element.
  */
 STATIC void
-_chart_write_bar_dir(lxw_chart *self)
+_chart_write_bar_dir(lxw_chart *self, char *type)
 {
     struct xml_attribute_list attributes;
     struct xml_attribute *attribute;
 
     LXW_INIT_ATTRIBUTES();
-    LXW_PUSH_ATTRIBUTES_STR("val", "bar");
+    LXW_PUSH_ATTRIBUTES_STR("val", type);
 
     lxw_xml_empty_tag(self->file, "c:barDir", &attributes);
 
@@ -876,23 +907,90 @@ _chart_write_bar_dir(lxw_chart *self)
  * Write the <c:barChart> element.
  */
 STATIC void
-_chart_write_bar_chart(lxw_chart *self)
+_chart_write_bar_chart(lxw_chart *self, uint8_t type)
 {
     lxw_chart_series *series;
 
+    if (type == LXW_CHART_BAR_STACKED) {
+        strcpy(self->grouping, "stacked");
+        self->has_overlap = LXW_TRUE;
+        self->subtype = LXW_CHART_SUBTYPE_STACKED;
+    }
+
+    if (type == LXW_CHART_BAR_STACKED_PERCENT) {
+        strcpy(self->grouping, "percentStacked");
+        strcpy((&self->y_axis)->default_num_format, "0%");
+        self->has_overlap = LXW_TRUE;
+        self->subtype = LXW_CHART_SUBTYPE_STACKED;
+    }
+
+    /* Override the default axis positions for a bar chart. */
+    strcpy(self->cat_axis_position, "l");
+    strcpy(self->val_axis_position, "b");
+
     lxw_xml_start_tag(self->file, "c:barChart", NULL);
 
     /* Write the c:barDir element. */
-    _chart_write_bar_dir(self);
+    _chart_write_bar_dir(self, "bar");
 
     /* Write the c:grouping element. */
-    _chart_write_grouping(self);
+    _chart_write_grouping(self, self->grouping);
 
     STAILQ_FOREACH(series, self->series_list, list_pointers) {
         /* Write the c:ser element. */
         _chart_write_ser(self, series);
     }
 
+    if (self->has_overlap) {
+        /* Write the c:overlap element. */
+        _chart_write_overlap(self, self->series_overlap_1);
+    }
+
+    /* Write the c:axId elements. */
+    _chart_write_axis_ids(self);
+
+    lxw_xml_end_tag(self->file, "c:barChart");
+}
+
+/*
+ * Write the <c:barChart> element for column charts.
+ */
+STATIC void
+_chart_write_column_chart(lxw_chart *self, uint8_t type)
+{
+    lxw_chart_series *series;
+
+    if (type == LXW_CHART_COLUMN_STACKED) {
+        strcpy(self->grouping, "stacked");
+        self->has_overlap = LXW_TRUE;
+        self->subtype = LXW_CHART_SUBTYPE_STACKED;
+    }
+
+    if (type == LXW_CHART_COLUMN_STACKED_PERCENT) {
+        strcpy(self->grouping, "percentStacked");
+        strcpy((&self->y_axis)->default_num_format, "0%");
+        self->has_overlap = LXW_TRUE;
+        self->subtype = LXW_CHART_SUBTYPE_STACKED;
+    }
+
+    lxw_xml_start_tag(self->file, "c:barChart", NULL);
+
+    /* Write the c:barDir element. */
+    _chart_write_bar_dir(self, "col");
+
+    /* Write the c:grouping element. */
+    _chart_write_grouping(self, self->grouping);
+
+    STAILQ_FOREACH(series, self->series_list, list_pointers) {
+        /* Write the c:ser element. */
+        _chart_write_ser(self, series);
+    }
+
+    if (self->has_overlap) {
+        /* Write the c:overlap element. */
+        _chart_write_overlap(self, self->series_overlap_1);
+    }
+
     /* Write the c:axId elements. */
     _chart_write_axis_ids(self);
 
@@ -907,10 +1005,26 @@ _chart_write_bar_chart(lxw_chart *self)
  * Write the chart type element.
  */
 STATIC void
-_chart_write_chart_type(lxw_chart *self)
+_chart_write_chart_type(lxw_chart *self, uint8_t type)
 {
-    /* Write the c:barChart element. */
-    _chart_write_bar_chart(self);
+    switch (type) {
+        case LXW_CHART_BAR:
+        case LXW_CHART_BAR_STACKED:
+        case LXW_CHART_BAR_STACKED_PERCENT:
+            _chart_write_bar_chart(self, type);
+            break;
+
+        case LXW_CHART_COLUMN:
+        case LXW_CHART_COLUMN_STACKED:
+        case LXW_CHART_COLUMN_STACKED_PERCENT:
+            _chart_write_column_chart(self, type);
+            break;
+
+        default:
+            LXW_WARN_FORMAT("workbook_add_chart(): "
+                            "unhandled chart type '%d'", type);
+    }
+
 }
 
 /*
@@ -925,7 +1039,7 @@ _chart_write_plot_area(lxw_chart *self)
     _chart_write_layout(self);
 
     /* Write the subclass chart type elements for primary and secondary axes. */
-    _chart_write_chart_type(self);
+    _chart_write_chart_type(self, self->type);
 
 }
 
@@ -944,7 +1058,7 @@ _chart_write_chart(lxw_chart *self)
     _chart_write_cat_axis(self);
 
     /* Write the c:valAx element. */
-    _chart_write_val_ax(self);
+    _chart_write_val_axis(self);
 
     lxw_xml_end_tag(self->file, "c:plotArea");
 
diff --git a/test/functional/src/test_chart_bar09.c b/test/functional/src/test_chart_bar09.c
new file mode 100644
index 00000000..be3b1f81
--- /dev/null
+++ b/test/functional/src/test_chart_bar09.c
@@ -0,0 +1,42 @@
+/*****************************************************************************
+ * Test cases for libxlsxwriter.
+ *
+ * Test to compare output against Excel files.
+ *
+ * Copyright 2014-2015, John McNamara, jmcnamara@cpan.org
+ *
+ */
+
+#include "xlsxwriter.h"
+
+int main() {
+
+    lxw_workbook  *workbook  = new_workbook("test_chart_bar09.xlsx");
+    lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
+    lxw_chart     *chart     = workbook_add_chart(workbook, LXW_CHART_BAR_STACKED);
+
+    /* For testing, copy the randomly generated axis ids in the target file. */
+    chart->axis_id_1 = 40274560;
+    chart->axis_id_2 = 40295040;
+
+    uint8_t data[5][3] = {
+        {1, 2,  3},
+        {2, 4,  6},
+        {3, 6,  9},
+        {4, 8,  12},
+        {5, 10, 15}
+    };
+
+    int row, col;
+    for (row = 0; row < 5; row++)
+        for (col = 0; col < 3; col++)
+            worksheet_write_number(worksheet, row, col, data[row][col] , NULL);
+
+    chart_add_series(chart, NULL, "=Sheet1!$A$1:$A$5");
+    chart_add_series(chart, NULL, "=Sheet1!$B$1:$B$5");
+    chart_add_series(chart, NULL, "=Sheet1!$C$1:$C$5");
+
+    worksheet_insert_chart(worksheet, CELL("E9"), chart);
+
+    return workbook_close(workbook);
+}
diff --git a/test/functional/src/test_chart_bar10.c b/test/functional/src/test_chart_bar10.c
new file mode 100644
index 00000000..d1753e70
--- /dev/null
+++ b/test/functional/src/test_chart_bar10.c
@@ -0,0 +1,42 @@
+/*****************************************************************************
+ * Test cases for libxlsxwriter.
+ *
+ * Test to compare output against Excel files.
+ *
+ * Copyright 2014-2015, John McNamara, jmcnamara@cpan.org
+ *
+ */
+
+#include "xlsxwriter.h"
+
+int main() {
+
+    lxw_workbook  *workbook  = new_workbook("test_chart_bar10.xlsx");
+    lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
+    lxw_chart     *chart     = workbook_add_chart(workbook, LXW_CHART_BAR_STACKED_PERCENT);
+
+    /* For testing, copy the randomly generated axis ids in the target file. */
+    chart->axis_id_1 = 40274560;
+    chart->axis_id_2 = 40295040;
+
+    uint8_t data[5][3] = {
+        {1, 2,  3},
+        {2, 4,  6},
+        {3, 6,  9},
+        {4, 8,  12},
+        {5, 10, 15}
+    };
+
+    int row, col;
+    for (row = 0; row < 5; row++)
+        for (col = 0; col < 3; col++)
+            worksheet_write_number(worksheet, row, col, data[row][col] , NULL);
+
+    chart_add_series(chart, NULL, "=Sheet1!$A$1:$A$5");
+    chart_add_series(chart, NULL, "=Sheet1!$B$1:$B$5");
+    chart_add_series(chart, NULL, "=Sheet1!$C$1:$C$5");
+
+    worksheet_insert_chart(worksheet, CELL("E9"), chart);
+
+    return workbook_close(workbook);
+}
diff --git a/test/functional/src/test_chart_column01.c b/test/functional/src/test_chart_column01.c
new file mode 100644
index 00000000..849ceec2
--- /dev/null
+++ b/test/functional/src/test_chart_column01.c
@@ -0,0 +1,42 @@
+/*****************************************************************************
+ * Test cases for libxlsxwriter.
+ *
+ * Test to compare output against Excel files.
+ *
+ * Copyright 2014-2015, John McNamara, jmcnamara@cpan.org
+ *
+ */
+
+#include "xlsxwriter.h"
+
+int main() {
+
+    lxw_workbook  *workbook  = new_workbook("test_chart_column01.xlsx");
+    lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
+    lxw_chart     *chart     = workbook_add_chart(workbook, LXW_CHART_COLUMN);
+
+    /* For testing, copy the randomly generated axis ids in the target file. */
+    chart->axis_id_1 = 43424000;
+    chart->axis_id_2 = 43434368;
+
+    uint8_t data[5][3] = {
+        {1, 2,  3},
+        {2, 4,  6},
+        {3, 6,  9},
+        {4, 8,  12},
+        {5, 10, 15}
+    };
+
+    int row, col;
+    for (row = 0; row < 5; row++)
+        for (col = 0; col < 3; col++)
+            worksheet_write_number(worksheet, row, col, data[row][col] , NULL);
+
+    chart_add_series(chart, NULL, "=Sheet1!$A$1:$A$5");
+    chart_add_series(chart, NULL, "=Sheet1!$B$1:$B$5");
+    chart_add_series(chart, NULL, "=Sheet1!$C$1:$C$5");
+
+    worksheet_insert_chart(worksheet, CELL("E9"), chart);
+
+    return workbook_close(workbook);
+}
diff --git a/test/functional/src/test_chart_column02.c b/test/functional/src/test_chart_column02.c
new file mode 100644
index 00000000..e1f12e64
--- /dev/null
+++ b/test/functional/src/test_chart_column02.c
@@ -0,0 +1,42 @@
+/*****************************************************************************
+ * Test cases for libxlsxwriter.
+ *
+ * Test to compare output against Excel files.
+ *
+ * Copyright 2014-2015, John McNamara, jmcnamara@cpan.org
+ *
+ */
+
+#include "xlsxwriter.h"
+
+int main() {
+
+    lxw_workbook  *workbook  = new_workbook("test_chart_column02.xlsx");
+    lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
+    lxw_chart     *chart     = workbook_add_chart(workbook, LXW_CHART_COLUMN_STACKED);
+
+    /* For testing, copy the randomly generated axis ids in the target file. */
+    chart->axis_id_1 = 49388544;
+    chart->axis_id_2 = 69387008;
+
+    uint8_t data[5][3] = {
+        {1, 2,  3},
+        {2, 4,  6},
+        {3, 6,  9},
+        {4, 8,  12},
+        {5, 10, 15}
+    };
+
+    int row, col;
+    for (row = 0; row < 5; row++)
+        for (col = 0; col < 3; col++)
+            worksheet_write_number(worksheet, row, col, data[row][col] , NULL);
+
+    chart_add_series(chart, NULL, "=Sheet1!$A$1:$A$5");
+    chart_add_series(chart, NULL, "=Sheet1!$B$1:$B$5");
+    chart_add_series(chart, NULL, "=Sheet1!$C$1:$C$5");
+
+    worksheet_insert_chart(worksheet, CELL("E9"), chart);
+
+    return workbook_close(workbook);
+}
diff --git a/test/functional/src/test_chart_column03.c b/test/functional/src/test_chart_column03.c
new file mode 100644
index 00000000..79678aeb
--- /dev/null
+++ b/test/functional/src/test_chart_column03.c
@@ -0,0 +1,42 @@
+/*****************************************************************************
+ * Test cases for libxlsxwriter.
+ *
+ * Test to compare output against Excel files.
+ *
+ * Copyright 2014-2015, John McNamara, jmcnamara@cpan.org
+ *
+ */
+
+#include "xlsxwriter.h"
+
+int main() {
+
+    lxw_workbook  *workbook  = new_workbook("test_chart_column03.xlsx");
+    lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
+    lxw_chart     *chart     = workbook_add_chart(workbook, LXW_CHART_COLUMN_STACKED_PERCENT);
+
+    /* For testing, copy the randomly generated axis ids in the target file. */
+    chart->axis_id_1 = 49388544;
+    chart->axis_id_2 = 69387008;
+
+    uint8_t data[5][3] = {
+        {1, 2,  3},
+        {2, 4,  6},
+        {3, 6,  9},
+        {4, 8,  12},
+        {5, 10, 15}
+    };
+
+    int row, col;
+    for (row = 0; row < 5; row++)
+        for (col = 0; col < 3; col++)
+            worksheet_write_number(worksheet, row, col, data[row][col] , NULL);
+
+    chart_add_series(chart, NULL, "=Sheet1!$A$1:$A$5");
+    chart_add_series(chart, NULL, "=Sheet1!$B$1:$B$5");
+    chart_add_series(chart, NULL, "=Sheet1!$C$1:$C$5");
+
+    worksheet_insert_chart(worksheet, CELL("E9"), chart);
+
+    return workbook_close(workbook);
+}
diff --git a/test/functional/test_chart_bar.py b/test/functional/test_chart_bar.py
index 867bd17a..fb04a27e 100644
--- a/test/functional/test_chart_bar.py
+++ b/test/functional/test_chart_bar.py
@@ -28,6 +28,12 @@ class TestCompareXLSXFiles(base_test_class.XLSXBaseTest):
     def test_chart_bar05(self):
         self.run_exe_test('test_chart_bar05')
 
+    def test_chart_bar09(self):
+        self.run_exe_test('test_chart_bar09')
+
+    def test_chart_bar10(self):
+        self.run_exe_test('test_chart_bar10')
+
     def test_chart_bar51(self):
         self.run_exe_test('test_chart_bar51')
 
diff --git a/test/functional/test_chart_column.py b/test/functional/test_chart_column.py
new file mode 100644
index 00000000..8dbd96c8
--- /dev/null
+++ b/test/functional/test_chart_column.py
@@ -0,0 +1,23 @@
+###############################################################################
+#
+# Tests for libxlsxwriter.
+#
+# Copyright 2014-2016, John McNamara, jmcnamara@cpan.org
+#
+
+import base_test_class
+
+class TestCompareXLSXFiles(base_test_class.XLSXBaseTest):
+    """
+    Test file created with libxlsxwriter against a file created by Excel.
+
+    """
+
+    def test_chart_column01(self):
+        self.run_exe_test('test_chart_column01')
+
+    def test_chart_column02(self):
+        self.run_exe_test('test_chart_column02')
+
+    def test_chart_column03(self):
+        self.run_exe_test('test_chart_column03')
diff --git a/test/functional/xlsx_files/chart_bar09.xlsx b/test/functional/xlsx_files/chart_bar09.xlsx
new file mode 100644
index 0000000000000000000000000000000000000000..a0ab89692825c1742377b11848b0fe4230849906
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