81 lines
1.3 KiB
C++
81 lines
1.3 KiB
C++
#include "prometheus/gauge.h"
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#include <gtest/gtest.h>
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namespace prometheus {
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namespace {
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TEST(GaugeTest, initialize_with_zero) {
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Gauge gauge;
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EXPECT_EQ(gauge.Value(), 0);
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}
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TEST(GaugeTest, inc) {
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Gauge gauge;
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gauge.Increment();
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EXPECT_EQ(gauge.Value(), 1.0);
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}
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TEST(GaugeTest, inc_number) {
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Gauge gauge;
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gauge.Increment(4);
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EXPECT_EQ(gauge.Value(), 4.0);
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}
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TEST(GaugeTest, inc_multiple) {
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Gauge gauge;
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gauge.Increment();
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gauge.Increment();
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gauge.Increment(5);
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EXPECT_EQ(gauge.Value(), 7.0);
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}
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TEST(GaugeTest, inc_negative_value) {
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Gauge gauge;
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gauge.Increment(-1.0);
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EXPECT_EQ(gauge.Value(), -1.0);
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}
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TEST(GaugeTest, dec) {
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Gauge gauge;
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gauge.Set(5.0);
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gauge.Decrement();
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EXPECT_EQ(gauge.Value(), 4.0);
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}
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TEST(GaugeTest, dec_negative_value) {
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Gauge gauge;
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gauge.Decrement(-1.0);
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EXPECT_EQ(gauge.Value(), 1.0);
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}
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TEST(GaugeTest, dec_number) {
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Gauge gauge;
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gauge.Set(5.0);
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gauge.Decrement(3.0);
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EXPECT_EQ(gauge.Value(), 2.0);
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}
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TEST(GaugeTest, set) {
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Gauge gauge;
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gauge.Set(3.0);
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EXPECT_EQ(gauge.Value(), 3.0);
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}
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TEST(GaugeTest, set_multiple) {
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Gauge gauge;
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gauge.Set(3.0);
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gauge.Set(8.0);
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gauge.Set(1.0);
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EXPECT_EQ(gauge.Value(), 1.0);
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}
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TEST(GaugeTest, set_to_current_time) {
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Gauge gauge;
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gauge.SetToCurrentTime();
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EXPECT_GT(gauge.Value(), 0.0);
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}
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} // namespace
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} // namespace prometheus
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