From 9411139beee167c5339e96db448e5dbed19e06bc Mon Sep 17 00:00:00 2001
From: Johannes Ranke <jranke@uni-bremen.de>
Date: Thu, 5 Jul 2018 18:44:22 +0200
Subject: Maintenance in preparation of improvements

- Switch vignette to html
- Switch tests to testthat
- NEWS.md instead of ChangeLog
- Remove names of y in lists returned by lod and loq
---
 tests/testthat/test_lod_loq.R | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 tests/testthat/test_lod_loq.R

(limited to 'tests/testthat/test_lod_loq.R')

diff --git a/tests/testthat/test_lod_loq.R b/tests/testthat/test_lod_loq.R
new file mode 100644
index 0000000..6ba0ad0
--- /dev/null
+++ b/tests/testthat/test_lod_loq.R
@@ -0,0 +1,28 @@
+context("LOD and LOQ")
+
+library(chemCal)
+
+test_that("lod is stable across chemCal versions", {
+  m <- lm(y ~ x, data = din32645)
+  lod_1 <- lod(m)
+  expect_equal(signif(lod_1$x, 7), 0.08655484)
+  expect_equal(signif(lod_1$y, 7), 3317.154)
+
+  # Critical value (decision limit, Nachweisgrenze)
+  lod_2 <- lod(m, alpha = 0.01, beta = 0.5)
+  expect_equal(signif(lod_2$x, 7), 0.0698127)
+  expect_equal(signif(lod_2$y, 7), 3155.393)
+})
+
+test_that("loq is stable across chemCal versions", {
+  m2 <- lm(y ~ x, data = massart97ex3)
+  loq_1 <- loq(m2)
+  expect_equal(signif(loq_1$x, 7), 13.97764)
+  expect_equal(signif(loq_1$y, 7), 30.6235)
+
+  loq_2 <- loq(m2, n = 3)
+  expect_equal(signif(loq_2$x, 7), 9.971963)
+  expect_equal(signif(loq_2$y, 7), 22.68539)
+})
+
+
-- 
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