FIX: Adds more documentation

base/src/test/test_extend.rs

@@ -0,0 +1,106 @@
+#![allow(clippy::unwrap_used)]
+
+use crate::{
+    expressions::types::{Area, CellReferenceIndex},
+    test::util::new_empty_model,
+};
+
+#[test]
+fn extend_to_basic() {
+    let mut model = new_empty_model();
+    model._set("A1", "=B1*SUM(F5:H10)");
+
+    model.evaluate();
+
+    // A1
+    let (sheet, row, column) = (0, 1, 1);
+
+    // extend from A1 to A5
+    let (target_row, target_column) = (5, 1);
+    let result = model
+        .extend_to(sheet, row, column, target_row, target_column)
+        .unwrap();
+    assert_eq!(&result, "=B5*SUM(F9:H14)");
+
+    // extend from A1 to E1
+    let (target_row, target_column) = (1, 5);
+    let result = model
+        .extend_to(sheet, row, column, target_row, target_column)
+        .unwrap();
+    assert_eq!(&result, "=F1*SUM(J5:L10)");
+}
+
+#[test]
+fn extend_to_no_formula() {
+    let mut model = new_empty_model();
+    model._set("A1", "Hey Jude!");
+
+    model.evaluate();
+
+    // A1
+    let (sheet, row, column) = (0, 1, 1);
+
+    // extend from A1 to A5
+    let (target_row, target_column) = (5, 1);
+    let result = model
+        .extend_to(sheet, row, column, target_row, target_column)
+        .unwrap();
+    assert_eq!(&result, "Hey Jude!");
+
+    // extend from A1 to E1
+    let (target_row, target_column) = (1, 5);
+    let result = model
+        .extend_to(sheet, row, column, target_row, target_column)
+        .unwrap();
+    assert_eq!(&result, "Hey Jude!");
+}
+
+#[test]
+fn extend_copied_value_basic() {
+    let mut model = new_empty_model();
+    let source = CellReferenceIndex {
+        sheet: 0,
+        row: 1,
+        column: 1,
+    };
+    let target = CellReferenceIndex {
+        sheet: 0,
+        row: 30,
+        column: 1,
+    };
+    let result = model
+        .extend_copied_value("=B1*D4", &source, &target)
+        .unwrap();
+    assert_eq!(&result, "=B30*D33");
+
+    let result = model
+        .extend_copied_value("don't make it sad", &source, &target)
+        .unwrap();
+    assert_eq!(&result, "don't make it sad");
+}
+
+#[test]
+fn move_cell_value_to_area_basic() {
+    let mut model = new_empty_model();
+    let source = CellReferenceIndex {
+        sheet: 0,
+        row: 3,
+        column: 1,
+    };
+    let target = CellReferenceIndex {
+        sheet: 0,
+        row: 50,
+        column: 1,
+    };
+    let area = Area {
+        sheet: 0,
+        row: 1,
+        column: 1,
+        width: 5,
+        height: 4,
+    };
+    let result = model
+        .move_cell_value_to_area("=B1", &source, &target, &area)
+        .unwrap();
+    assert_eq!(&result, "=B48");
+}