From f86fd2f610d1598f66859c6f50668ab5fa404cb2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Konstantin=20Ka=CC=88fer?= Date: Tue, 20 May 2014 12:05:25 +0200 Subject: [PATCH] add function tests --- test/functions.cpp | 157 +++++++++++++++++++++++++++++++++++++++++++++ test/test.gyp | 17 +++++ 2 files changed, 174 insertions(+) create mode 100644 test/functions.cpp diff --git a/test/functions.cpp b/test/functions.cpp new file mode 100644 index 000000000..87c9a9b9e --- /dev/null +++ b/test/functions.cpp @@ -0,0 +1,157 @@ +#include +#include "gtest/gtest.h" + +#include + +using namespace llmr; + + +TEST(Function, Null) { + EXPECT_EQ(0.0f, llmr::functions::null(0, { })); + EXPECT_EQ(0.0f, llmr::functions::null(0, { 3 })); + EXPECT_EQ(0.0f, llmr::functions::null(0, { 3, 4 })); + EXPECT_EQ(0.0f, llmr::functions::null(4, { })); + EXPECT_EQ(0.0f, llmr::functions::null(4, { 3 })); + EXPECT_EQ(0.0f, llmr::functions::null(4, { 3, 4 })); + EXPECT_EQ(0.0f, llmr::functions::null(22, { })); + EXPECT_EQ(0.0f, llmr::functions::null(22, { 3 })); + EXPECT_EQ(0.0f, llmr::functions::null(22, { 3, 4 })); +} + + +TEST(Function, Constant) { + EXPECT_EQ(2.0f, llmr::functions::constant(0, { 2 })); + EXPECT_EQ(3.8f, llmr::functions::constant(0, { 3.8 })); + EXPECT_EQ(22.0f, llmr::functions::constant(0, { 22 })); + EXPECT_EQ(2.0f, llmr::functions::constant(4, { 2 })); + EXPECT_EQ(3.8f, llmr::functions::constant(4, { 3.8 })); + EXPECT_EQ(22.0f, llmr::functions::constant(4, { 22 })); + EXPECT_EQ(2.0f, llmr::functions::constant(22, { 2 })); + EXPECT_EQ(3.8f, llmr::functions::constant(22, { 3.8 })); + EXPECT_EQ(22.0f, llmr::functions::constant(22, { 22 })); + + EXPECT_EQ(0.0f, llmr::functions::constant(0, { })); + EXPECT_EQ(0.0f, llmr::functions::constant(4, { })); + EXPECT_EQ(0.0f, llmr::functions::constant(22, { })); + + EXPECT_EQ(4.0f, llmr::functions::constant(0, { 4.0f, 63.2f })); + EXPECT_EQ(4.0f, llmr::functions::constant(4, { 4.0f, 63.2f })); + EXPECT_EQ(4.0f, llmr::functions::constant(22, { 4.0f, 63.2f })); +} + + +TEST(Function, Min) { + EXPECT_EQ(0, llmr::functions::min(0, { 2 })); + EXPECT_EQ(0, llmr::functions::min(1.98, { 2 })); + EXPECT_EQ(1, llmr::functions::min(2, { 2 })); + EXPECT_EQ(1, llmr::functions::min(22, { 2 })); + + EXPECT_EQ(0, llmr::functions::min(0, { })); + EXPECT_EQ(0, llmr::functions::min(1.98, { })); + EXPECT_EQ(0, llmr::functions::min(2, { })); + EXPECT_EQ(0, llmr::functions::min(22, { })); + + EXPECT_EQ(0, llmr::functions::min(0, { 2, 8, 13 })); + EXPECT_EQ(0, llmr::functions::min(1.98, { 2, 8, 13 })); + EXPECT_EQ(1, llmr::functions::min(2, { 2, 8, 13 })); + EXPECT_EQ(1, llmr::functions::min(22, { 2, 8, 13 })); +} + + +TEST(Function, Max) { + EXPECT_EQ(1, llmr::functions::max(0, { 2 })); + EXPECT_EQ(1, llmr::functions::max(2, { 2 })); + EXPECT_EQ(0, llmr::functions::max(2.01, { 2 })); + EXPECT_EQ(0, llmr::functions::max(22, { 2 })); + + EXPECT_EQ(0, llmr::functions::max(0, { })); + EXPECT_EQ(0, llmr::functions::max(2, { })); + EXPECT_EQ(0, llmr::functions::max(2.01, { })); + EXPECT_EQ(0, llmr::functions::max(22, { })); + + EXPECT_EQ(1, llmr::functions::max(0, { 2, 8, 13 })); + EXPECT_EQ(1, llmr::functions::max(2, { 2, 8, 13 })); + EXPECT_EQ(0, llmr::functions::max(2.01, { 2, 8, 13 })); + EXPECT_EQ(0, llmr::functions::max(22, { 2, 8, 13 })); +} + + +TEST(Function, Stops) { + // Explicit constant slope in fringe regions. + std::vector slope_1 = { 0, 1.5, /**/ 6, 1.5, /**/ 8, 3, /**/ 22, 3 }; + EXPECT_EQ(1.5, llmr::functions::stops(0, slope_1)); + EXPECT_EQ(1.5, llmr::functions::stops(4, slope_1)); + EXPECT_EQ(1.5, llmr::functions::stops(6, slope_1)); + ASSERT_FLOAT_EQ(2.12132, llmr::functions::stops(7, slope_1)); + EXPECT_EQ(3.0, llmr::functions::stops(8, slope_1)); + EXPECT_EQ(3.0, llmr::functions::stops(9, slope_1)); + EXPECT_EQ(3.0, llmr::functions::stops(15, slope_1)); + EXPECT_EQ(3.0, llmr::functions::stops(22, slope_1)); + + + // Test constant values in fringe regions. + std::vector slope_2 = { 6, 1.5, /**/ 8, 3 }; + EXPECT_EQ(1.5, llmr::functions::stops(0, slope_2)); + EXPECT_EQ(1.5, llmr::functions::stops(4, slope_2)); + EXPECT_EQ(1.5, llmr::functions::stops(6, slope_2)); + ASSERT_FLOAT_EQ(2.12132, llmr::functions::stops(7, slope_2)); + EXPECT_EQ(3.0, llmr::functions::stops(8, slope_2)); + EXPECT_EQ(3.0, llmr::functions::stops(9, slope_2)); + EXPECT_EQ(3.0, llmr::functions::stops(15, slope_2)); + EXPECT_EQ(3.0, llmr::functions::stops(22, slope_2)); + + + // Test uneven number of values. + std::vector slope_3 = { 6, 1.5, 8 }; + EXPECT_EQ(0, llmr::functions::stops(2, slope_3)); + EXPECT_EQ(0, llmr::functions::stops(6, slope_3)); + EXPECT_EQ(0, llmr::functions::stops(12, slope_3)); + + + // Test no values. + std::vector slope_4 = { }; + EXPECT_EQ(1, llmr::functions::stops(2, slope_4)); + EXPECT_EQ(1, llmr::functions::stops(6, slope_4)); + EXPECT_EQ(1, llmr::functions::stops(12, slope_4)); +} + + +TEST(Function, Linear) { + std::vector slope_1 = { /* z_base */ 4, /* val */ 7.5, /* slope */ 2, /* min */ 7.5, /* max */ 20 }; + ASSERT_FLOAT_EQ(7.5, llmr::functions::linear(3, slope_1)); + ASSERT_FLOAT_EQ(7.5, llmr::functions::linear(4, slope_1)); + ASSERT_FLOAT_EQ(8.5, llmr::functions::linear(4.5, slope_1)); + ASSERT_FLOAT_EQ(9.5, llmr::functions::linear(5, slope_1)); + ASSERT_FLOAT_EQ(11.5, llmr::functions::linear(6, slope_1)); + ASSERT_FLOAT_EQ(19.5, llmr::functions::linear(10, slope_1)); + ASSERT_FLOAT_EQ(20, llmr::functions::linear(11, slope_1)); + ASSERT_FLOAT_EQ(20, llmr::functions::linear(20, slope_1)); + + // Invalid number of arguments ==> 0 + std::vector slope_2 = { }; + ASSERT_FLOAT_EQ(0, llmr::functions::linear(3, slope_2)); + ASSERT_FLOAT_EQ(0, llmr::functions::linear(8, slope_2)); + ASSERT_FLOAT_EQ(0, llmr::functions::linear(10, slope_2)); +} + + +TEST(Function, Exponential) { + std::vector slope_1 = { /* z_base */ 4, /* val */ 7.5, /* slope */ 2, /* min */ 7.5, /* max */ 20 }; + ASSERT_FLOAT_EQ(8.6428576, llmr::functions::exponential(3, slope_1)); // 7.5 + 1.75^(3 - 4) * 2 + ASSERT_FLOAT_EQ(9.5, llmr::functions::exponential(4, slope_1)); // 7.5 + 1.75^(4 - 4) * 2 + ASSERT_FLOAT_EQ(10.145751, llmr::functions::exponential(4.5, slope_1)); // 7.5 + 1.75^(4.5 - 4) * 2 + ASSERT_FLOAT_EQ(11, llmr::functions::exponential(5, slope_1)); // 7.5 + 1.75^(5 - 4) * 2 + ASSERT_FLOAT_EQ(13.625, llmr::functions::exponential(6, slope_1)); // 7.5 + 1.75^(6 - 4) * 2 + ASSERT_FLOAT_EQ(18.21875, llmr::functions::exponential(7, slope_1)); // 7.5 + 1.75^(7 - 4) * 2 + ASSERT_FLOAT_EQ(20, llmr::functions::exponential(8, slope_1)); // 7.5 + 1.75^(8 - 4) * 2 ==> clamped to 20 + ASSERT_FLOAT_EQ(20, llmr::functions::exponential(20, slope_1)); // 7.5 + 1.75^(20 - 4) * 2 ==> clamped to 20 + + // Invalid number of arguments ==> 0 + std::vector slope_2 = { }; + ASSERT_FLOAT_EQ(0, llmr::functions::exponential(3, slope_2)); + ASSERT_FLOAT_EQ(0, llmr::functions::exponential(8, slope_2)); + ASSERT_FLOAT_EQ(0, llmr::functions::exponential(10, slope_2)); +} + + + diff --git a/test/test.gyp b/test/test.gyp index 9cb44d854..4c8ea9499 100644 --- a/test/test.gyp +++ b/test/test.gyp @@ -112,6 +112,22 @@ "../llmr.gyp:llmr-x86" ] }, + { + "target_name": "functions", + "product_name": "test_functions", + "type": "executable", + "libraries": [ + "-lpthread", + ], + "sources": [ + "./main.cpp", + "./functions.cpp", + ], + "dependencies": [ + "../deps/gtest/gtest.gyp:gtest", + "../llmr.gyp:llmr-x86" + ] + }, { "target_name": "headless", "product_name": "test_headless", @@ -140,6 +156,7 @@ "clip_ids", "variant", "tile", + "functions", ], } ]