From 8a27143e725c8c6bdcd04398475dd5fae13bd5df Mon Sep 17 00:00:00 2001
From: Georg Baum <baum@lyx.org>
Date: Sun, 28 Jun 2015 11:26:40 +0200
Subject: [PATCH] Test negative numbers as well

---
 src/support/tests/check_lstrings.cpp | 99 +++++++++++++++-------------
 src/support/tests/regfiles/lstrings  | 46 +++++++++++++
 2 files changed, 99 insertions(+), 46 deletions(-)

diff --git a/src/support/tests/check_lstrings.cpp b/src/support/tests/check_lstrings.cpp
index b759f6a2e7..c1fd9c8737 100644
--- a/src/support/tests/check_lstrings.cpp
+++ b/src/support/tests/check_lstrings.cpp
@@ -27,52 +27,59 @@ void test_uppercase()
 
 void test_formatFPNumber()
 {
-	cout << formatFPNumber(0) << endl;
-	cout << formatFPNumber(1) << endl;
-	cout << formatFPNumber(23.42) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-20) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-19) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-18) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-17) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-16) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-15) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-14) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-13) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-12) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-11) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-10) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-9) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-8) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-7) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-6) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-5) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-4) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-3) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-2) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e-1) << endl;
-	cout << formatFPNumber(1.3754937356458394574047) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e1) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e2) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e3) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e4) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e5) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e6) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e7) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e8) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e9) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e10) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e11) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e12) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e13) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e14) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e15) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e16) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e17) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e18) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e19) << endl;
-	cout << formatFPNumber(1.3754937356458394574047e20) << endl;
-	cout << formatFPNumber(1e-42) << endl;
-	cout << formatFPNumber(1e42) << endl;
+	double const numbers[] = {
+		0,
+		1,
+		23.42,
+		1.3754937356458394574047e-20,
+		1.3754937356458394574047e-19,
+		1.3754937356458394574047e-18,
+		1.3754937356458394574047e-17,
+		1.3754937356458394574047e-16,
+		1.3754937356458394574047e-15,
+		1.3754937356458394574047e-14,
+		1.3754937356458394574047e-13,
+		1.3754937356458394574047e-12,
+		1.3754937356458394574047e-11,
+		1.3754937356458394574047e-10,
+		1.3754937356458394574047e-9,
+		1.3754937356458394574047e-8,
+		1.3754937356458394574047e-7,
+		1.3754937356458394574047e-6,
+		1.3754937356458394574047e-5,
+		1.3754937356458394574047e-4,
+		1.3754937356458394574047e-3,
+		1.3754937356458394574047e-2,
+		1.3754937356458394574047e-1,
+		1.3754937356458394574047,
+		1.3754937356458394574047e1,
+		1.3754937356458394574047e2,
+		1.3754937356458394574047e3,
+		1.3754937356458394574047e4,
+		1.3754937356458394574047e5,
+		1.3754937356458394574047e6,
+		1.3754937356458394574047e7,
+		1.3754937356458394574047e8,
+		1.3754937356458394574047e9,
+		1.3754937356458394574047e10,
+		1.3754937356458394574047e11,
+		1.3754937356458394574047e12,
+		1.3754937356458394574047e13,
+		1.3754937356458394574047e14,
+		1.3754937356458394574047e15,
+		1.3754937356458394574047e16,
+		1.3754937356458394574047e17,
+		1.3754937356458394574047e18,
+		1.3754937356458394574047e19,
+		1.3754937356458394574047e20,
+		1e-42,
+		1e42
+	};
+	int const n = sizeof(numbers) / sizeof(numbers[0]);
+	for (int i = 0; i < n; ++i)
+		cout << formatFPNumber(numbers[i]) << endl;
+	for (int i = 0; i < n; ++i)
+		cout << formatFPNumber(-numbers[i]) << endl;
 }
 
 int main()
diff --git a/src/support/tests/regfiles/lstrings b/src/support/tests/regfiles/lstrings
index 20363cd0c8..94755eea9c 100644
--- a/src/support/tests/regfiles/lstrings
+++ b/src/support/tests/regfiles/lstrings
@@ -51,3 +51,49 @@ A
 137549373564583952384
 0.000000000000000000000000000000000000000001
 1000000000000000044885712678075916785549312
+-0
+-1
+-23.42
+-0.00000000000000000001375494
+-0.0000000000000000001375494
+-0.000000000000000001375494
+-0.00000000000000001375494
+-0.0000000000000001375494
+-0.000000000000001375494
+-0.00000000000001375494
+-0.0000000000001375494
+-0.000000000001375494
+-0.00000000001375494
+-0.0000000001375494
+-0.000000001375494
+-0.00000001375494
+-0.0000001375494
+-0.000001375494
+-0.00001375494
+-0.0001375494
+-0.001375494
+-0.01375494
+-0.1375494
+-1.375494
+-13.75494
+-137.5494
+-1375.494
+-13754.94
+-137549.4
+-1375494
+-13754937
+-137549374
+-1375493736
+-13754937356
+-137549373565
+-1375493735646
+-13754937356458
+-137549373564584
+-1375493735645840
+-13754937356458394
+-137549373564583952
+-1375493735645839360
+-13754937356458393600
+-137549373564583952384
+-0.000000000000000000000000000000000000000001
+-1000000000000000044885712678075916785549312
-- 
2.39.2