From c244d07286e4010ee884eeea6f8e67fa5d1ff3cb Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Tue, 13 Apr 2021 02:48:08 +0300
Subject: test: span: Add tests for begin() and rbegin()

Verify that the begin() and rbegin() iterators (and their const version)
reference the correct values. The end() and rend() iterators can't be
tested the same way as they're not dereferenceable.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
---
 test/span.cpp | 40 ++++++++++++++++++++++++++++++++--------
 1 file changed, 32 insertions(+), 8 deletions(-)

(limited to 'test')

diff --git a/test/span.cpp b/test/span.cpp
index d60b769c..ca037c8f 100644
--- a/test/span.cpp
+++ b/test/span.cpp
@@ -72,12 +72,24 @@ protected:
 
 		staticSpan = Span<int, 4>{ v };
 
-		staticSpan.begin();
-		staticSpan.cbegin();
+		if (*staticSpan.begin() != 1) {
+			std::cout << "Span<static_extent>::begin() failed" << std::endl;
+			return TestFail;
+		}
+		if (*staticSpan.cbegin() != 1) {
+			std::cout << "Span<static_extent>::cbegin() failed" << std::endl;
+			return TestFail;
+		}
 		staticSpan.end();
 		staticSpan.cend();
-		staticSpan.rbegin();
-		staticSpan.crbegin();
+		if (*staticSpan.rbegin() != 4) {
+			std::cout << "Span<static_extent>::rbegin() failed" << std::endl;
+			return TestFail;
+		}
+		if (*staticSpan.crbegin() != 4) {
+			std::cout << "Span<static_extent>::crbegin() failed" << std::endl;
+			return TestFail;
+		}
 		staticSpan.rend();
 		staticSpan.crend();
 
@@ -141,12 +153,24 @@ protected:
 
 		dynamicSpan = Span<int>{ a };
 
-		dynamicSpan.begin();
-		dynamicSpan.cbegin();
+		if (*dynamicSpan.begin() != 1) {
+			std::cout << "Span<dynamic_extent>::begin() failed" << std::endl;
+			return TestFail;
+		}
+		if (*dynamicSpan.cbegin() != 1) {
+			std::cout << "Span<dynamic_extent>::cbegin() failed" << std::endl;
+			return TestFail;
+		}
 		dynamicSpan.end();
 		dynamicSpan.cend();
-		dynamicSpan.rbegin();
-		dynamicSpan.crbegin();
+		if (*dynamicSpan.rbegin() != 4) {
+			std::cout << "Span<dynamic_extent>::rbegin() failed" << std::endl;
+			return TestFail;
+		}
+		if (*dynamicSpan.crbegin() != 4) {
+			std::cout << "Span<dynamic_extent>::crbegin() failed" << std::endl;
+			return TestFail;
+		}
 		dynamicSpan.rend();
 		dynamicSpan.crend();
 
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