From 5b5c5ce2192755381a02514578ffb38ad8b4e2b4 Mon Sep 17 00:00:00 2001
From: tpoisseau <22891227+tpoisseau@users.noreply.github.com>
Date: Mon, 27 Nov 2023 15:49:18 +0100
Subject: [PATCH] fix: complete coverage

---
 src/__tests__/distance_matrix/creation.test.js  |  6 ++++++
 src/__tests__/matrix/creation.test.js           | 11 ++++++++++-
 src/__tests__/symmetric_matrix/creation.test.js |  9 ++++++++-
 3 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/src/__tests__/distance_matrix/creation.test.js b/src/__tests__/distance_matrix/creation.test.js
index 45a8336..b52dff6 100644
--- a/src/__tests__/distance_matrix/creation.test.js
+++ b/src/__tests__/distance_matrix/creation.test.js
@@ -98,4 +98,10 @@ describe('DistanceMatrix creation', () => {
       [1, 1, 0],
     ]);
   });
+
+  it('clone', () => {
+    const matrix = DistanceMatrix.zeros(3);
+    const clone = matrix.clone();
+    expect(clone).toBeInstanceOf(DistanceMatrix);
+  });
 });
diff --git a/src/__tests__/matrix/creation.test.js b/src/__tests__/matrix/creation.test.js
index 70d96f0..caee67f 100644
--- a/src/__tests__/matrix/creation.test.js
+++ b/src/__tests__/matrix/creation.test.js
@@ -1,6 +1,6 @@
 import { describe, it, expect } from 'vitest';
 
-import { Matrix, wrap } from '../..';
+import { DistanceMatrix, Matrix, SymmetricMatrix, wrap } from '../..';
 import * as util from '../../../testUtils';
 import MatrixTransposeView from '../../views/transpose';
 
@@ -243,4 +243,13 @@ describe('Matrix creation', () => {
     );
     expect(JSON.stringify(transposeTwice)).toBe(json);
   });
+
+  it('construct from child class', () => {
+    const dMatrix = DistanceMatrix.zeros(3);
+    const sMatrix = new SymmetricMatrix(dMatrix);
+    const matrix = new Matrix(sMatrix);
+    expect(matrix).not.toBeInstanceOf(DistanceMatrix);
+    expect(matrix).not.toBeInstanceOf(SymmetricMatrix);
+    expect(matrix).toBeInstanceOf(Matrix);
+  });
 });
diff --git a/src/__tests__/symmetric_matrix/creation.test.js b/src/__tests__/symmetric_matrix/creation.test.js
index 06966e2..52554ac 100644
--- a/src/__tests__/symmetric_matrix/creation.test.js
+++ b/src/__tests__/symmetric_matrix/creation.test.js
@@ -1,6 +1,6 @@
 import { describe, it, expect } from 'vitest';
 
-import { Matrix, SymmetricMatrix } from '../../index';
+import { DistanceMatrix, Matrix, SymmetricMatrix } from '../../index';
 
 describe('SymmetricMatrix creation', () => {
   it('should create a new object', () => {
@@ -159,4 +159,11 @@ describe('SymmetricMatrix creation', () => {
     expect(matrix).not.toBeInstanceOf(SymmetricMatrix);
     expect(matrix).toBeInstanceOf(Matrix);
   });
+
+  it('construct from child class', () => {
+    const dMatrix = DistanceMatrix.zeros(3);
+    const sMatrix = new SymmetricMatrix(dMatrix);
+    expect(sMatrix).not.toBeInstanceOf(DistanceMatrix);
+    expect(sMatrix).toBeInstanceOf(SymmetricMatrix);
+  });
 });